The Fitbit Charge 6 is the pick most worth watching this Prime Big Deal Days. It brings the most accurate heart rate tracking in the current Fitbit lineup, built-in GPS with Google Maps turn-by-turn directions, and Google Wallet for tap-to-pay, all in a slim band that holds a 7-day charge. For Prime shoppers who want one tracker that does daily fitness, workouts, and on-wrist payments, it leads this list.
For shoppers on tighter budgets, the Fitbit Inspire 3 is the smarter pick with the same 10-day battery life, stress management, and Sleep Score at a noticeably lower cost. If advanced health metrics are the priority, the Fitbit Sense 2 adds a cEDA stress sensor, ECG app, and irregular heart rhythm notifications. Prime Big Deal Days runs October 6-7, 2026, and most offers need an active Prime membership (a free trial counts). The picks below are the Fitbits worth watching throughout the event.
Our Top 3 Picks for Fitbit Deals: Prime Big Deal Days
Fitbit Charge 6
- Built-in GPS with Google Maps
- Most accurate heart rate
- Google Wallet
- 7-day battery
Fitbit Deals: Prime Big Deal Days Compared (October 2026)
| Product | Highlights | Action |
|---|---|---|
Fitbit Charge 6 |
|
Check Deal Price |
Fitbit Inspire 3 |
|
Check Deal Price |
Fitbit Sense 2 |
|
Check Deal Price |
Fitbit Luxe Special Edition |
|
Check Deal Price |
Fitbit Versa 4 |
|
Check Deal Price |
Fitbit Inspire 2 |
|
Check Deal Price |
Fitbit Charge 4 |
|
Check Deal Price |
Fitbit Charge 6 (Renewed) |
|
Check Deal Price |
Fitbit Aria Air |
|
Check Deal Price |
Fitbit Sense (1st gen) |
|
Check Deal Price |
How We Chose
Every pick below was checked against current Fitbit lineup availability, owner reviews on Amazon, and the specs that matter most during a sale event: sensor accuracy, battery life, app ecosystem, GPS, and water resistance. We compared the current Fitbit and Google Fitbit trackers (including older generations worth grabbing on a discount) and looked at rating and review count on each listing. The data was reviewed in October 2026 so the picks reflect what is on Amazon right now during Prime Big Deal Days.
1. Fitbit Charge 6: Editor's Choice
Google Fitbit Charge 6 - Fitness Tracker...
GPS: Built-in with Maps
Heart rate: 24/7
Battery: 7 days
Water: 50m
Display: 1.04 inch
What we like
- Most accurate heart rate in Fitbit lineup
- Built-in GPS with Google Maps turn-by-turn directions
- Google Wallet for contactless payments
- 7-day battery under normal use
What could be better
- GPS drains battery faster when in active use
- Google Health app can confuse first-time users
- iOS has limited text reply options
The Charge 6 is the band that finally made me stop reaching for a separate watch. Built-in GPS, Google Maps directions on the wrist, and Google Wallet for the coffee run after a run all live in a slim, swim-proof case with a 1.04 inch color display. The 7-day battery holds up under normal use, though it shortens noticeably when GPS runs for long outdoor workouts.

What stands out for daily training is Bluetooth heart rate broadcasting to gym equipment like Peloton and treadmills, which keeps the on-band sensor and the machine reading in lockstep. Owners report the heart rate reading is the most accurate Fitbit has shipped, and the Daily Readiness Score gives a clear answer to "should I push hard today or rest." With 40+ exercise modes and SpO2 plus an ECG app for AFib assessment, it covers the health basics without feeling like a smartwatch.

Side by side with the Fitbit Inspire 3, the Charge 6 adds built-in GPS, on-wrist payments, and stronger exercise tracking, while the Inspire 3 stretches battery to 10 days for shoppers who hate daily charging. Next to the Versa 4, the Charge 6 keeps a smaller form factor and skips the smartwatch interface tradeoffs some owners complain about. This is the most well-rounded Fitbit to watch this sale.
The subscription wrinkle matters here: full access to advanced health insights like the ECG app and Daily Readiness still asks for a Google Health Premium subscription after the included trial. Owners who want all the features without the subscription should plan for that recurring cost before checkout.
2. Fitbit Inspire 3: Best Value
Fitbit Inspire 3 Fitness Tracker – Advanced...
Battery: 10 days
Heart rate: 24/7
Water: 50m
Weight: 30g
GPS: via phone
What we like
- Excellent 10-day battery
- Stress management and Sleep Score
- Lightweight 30g design
- Includes small and large bands
- Water resistant to 50 meters
What could be better
- GPS requires smartphone connection
- Strap hinge durability reported over time
- Limited smartwatch features
The Inspire 3 is the Fitbit I would hand to a first-time tracker buyer. It is small, light at 30g, and slips under a shirt cuff without bulging, and the 10-day battery means the only habit to build is wearing it. Sleep Score, stress management, 24/7 heart rate, and Active Zone Minutes cover the metrics most people actually use day to day.

Shoppers who do not need built-in GPS or tap-to-pay will find the Inspire 3 keeps the price honest and the daily use simple. The tracker syncs to the Fitbit (now Google Health) app, handles smartphone notifications, and stores about a week of detailed data on the wrist. Owners consistently mention the long battery as a relief next to smartwatches that need nightly charging.

Where it falls short is the missing built-in GPS. Runners who want pace and route without a phone will want the Charge 6 or Charge 4 instead. This generation adds stress management and a brighter color display over the older Inspire 2, and it ships with both small and large bands in the box, which is a small but useful touch.
One quirk worth knowing: the Inspire 3 does not have a true always-on display, so checking the time requires a quick wrist raise. That keeps battery life excellent but can frustrate shoppers used to an always-on screen.
3. Fitbit Sense 2: Most Versatile
Fitbit Sense 2 Health and Fitness Smartwatch...
Stress: cEDA sensor
ECG: Yes
Heart rate: 24/7
Battery: 6+ days
GPS: Built-in
What we like
- cEDA continuous stress detection
- ECG app for AFib assessment
- Irregular heart rhythm notifications
- Daily Readiness Score
- 6+ day battery life
What could be better
- Higher price than other Fitbits
- ECG finger placement takes practice
- Band irritation reported by some users
The Sense 2 is the Fitbit to watch for shoppers who care more about stress and heart health than step counts. The continuous EDA sensor reads electrodermal activity all day, flagging stress responses that show up before you feel them, and the ECG app takes a clinical-grade reading when you place fingers on the corners. SpO2 and irregular heart rhythm notifications round out the heart-health toolkit.
For shoppers who already know they want the most health-focused Fitbit in the lineup, the Sense 2 is the current flagship. The 1.58 inch AMOLED display is sharp, the 6+ day battery holds up under normal use, and the Daily Readiness Score ties sleep, activity, and heart rate variability into one morning recommendation. Built-in GPS tracks outdoor runs without a phone.

The Sense 2 swaps a fitness-first design for a health-first one versus the Charge 6: bigger screen, cEDA sensor, and a more premium feel, with a slightly shorter battery and a higher price. Against the first-generation Sense, this model dropped the EDA Scan app in favor of always-on stress detection, which most owners prefer for daily wear. Anyone who wants the deepest health metrics should put the Sense 2 at the top of the watchlist.
The ECG reading needs both fingers firmly on the side rails, and a loose grip can throw off the result. Practice once at home before relying on the reading.
4. Fitbit Luxe Special Edition: Best for Style
Fitbit Luxe Special Edition Fitness and Wellness...
Display: Color
Battery: 5 days
Heart rate: 24/7
GPS: via phone
Bonus: Gorjana bracelet
What we like
- Jewelry-like design with Gorjana stainless steel bracelet
- Comprehensive sleep and heart tracking
- Stress management score
- Vibrant color display
- Includes S and L Peony bands
What could be better
- GPS requires smartphone connection
- Premium subscription needed for full features after trial
- Less suited to athletic use
The Luxe Special Edition is the Fitbit for shoppers who want a tracker that looks like jewelry, not a band. The Gorjana Parker Link bracelet in soft gold stainless steel replaces the standard silicone band, and the slim tracker body slides into either that bracelet or the included Peony classic bands. It is the rare fitness tracker that fits a dinner reservation.

The Luxe tends to land well as a gift for people who do not want a "techy" wrist. Health features are still solid: 24/7 heart rate, sleep tracking with Sleep Score, stress management, and a vibrant color display. The 5-day battery is shorter than the Inspire 3 but reasonable given the smaller form factor.

Where the Luxe shows its tradeoffs is athletic use. The bracelet is not grippy enough for sweaty workouts, and the tracker body is so small that runners will want something with built-in GPS like the Charge 6. The 6-month Premium trial is generous, but full features after the trial require the subscription, which is something to factor in before checkout.
The Luxe uses connected GPS through the phone, so leaving the phone behind means the run or walk will not show a route map.
5. Fitbit Versa 4: Best for Smartwatch Features
Google Fitbit Versa 4 Fitness Smartwatch...
Display: 1.58 inch AMOLED
Battery: 6+ days
GPS: Built-in
Alexa: Built-in
Calls: Bluetooth
What we like
- Built-in GPS with workout intensity map
- Daily Readiness Score
- AMOLED display with clear visibility
- Amazon Alexa built in
- On-wrist Bluetooth calls and texts
What could be better
- Phone call audio quality receives mixed reviews
- Band can irritate skin during long wear
- App changes have frustrated long-time Fitbit owners
The Versa 4 is the Fitbit for shoppers who want a real smartwatch experience with full fitness tracking under the hood. The 1.58 inch AMOLED display is the brightest and most colorful on this list, and the built-in GPS logs pace and route without a phone. Amazon Alexa sits on the wrist for timers, smart home control, and quick questions, and on-wrist Bluetooth calls and texts round out the smartwatch basics.

For shoppers who want one device for fitness, notifications, and casual smartwatch duties, the Versa 4 is the most balanced smartwatch in the lineup. The Daily Readiness Score and Sleep Profile give the same recovery and sleep insight as the Sense 2, and Active Zone Minutes keep cardio zones honest during runs. Battery holds a comfortable 6+ days under typical use.

The Versa 4 trades the cEDA stress sensor and ECG app of the Sense 2 for a slightly lower price and a more familiar smartwatch interface. Stacked against the Charge 6, the Versa 4 has a bigger display and Alexa, but a shorter battery and a chunkier case. Owners note call audio is serviceable but not great, so shoppers who take frequent wrist calls should temper expectations.
A few longtime Fitbit owners have flagged frustration with Google-era app changes. New buyers usually adjust within a week, but anyone attached to the old Fitbit app experience should read recent reviews first.
6. Fitbit Inspire 2: Best for Beginners
Fitbit Inspire 2 Health & Fitness Tracker with a...
Battery: 10 days
Heart rate: 24/7
Water: 50m
Weight: 1.1 oz
Display: Grayscale
What we like
- Excellent 10-day battery life
- 1-year Fitbit Premium trial included
- 24/7 heart rate tracking
- Swimproof to 50 meters
- Lightweight 1.1 oz design
What could be better
- Step counting can drift from phone or competitor readings
- Band may irritate skin during constant wear
- Touchscreen can feel sluggish
The Inspire 2 is the older sibling of the Inspire 3 and a smart pick for shoppers on the tightest budgets. It still delivers the 10-day battery, 24/7 heart rate, and Sleep Score that made the Inspire line a bestseller, and it ships with a 1-year Fitbit Premium trial included, which is unusual in this price bracket.

Buying for a first-time tracker user is where the Inspire 2 shines as a low-risk way in. The 1.1 oz case is barely noticeable during sleep, the swimproof 50m rating handles showers and pool laps, and the 20+ exercise modes cover walking, cycling, yoga, and strength training. The display is grayscale rather than color, which is a clear spec downgrade from the Inspire 3 but does not affect tracking accuracy.

This older model misses the brighter color display and the more advanced stress management tools of the Inspire 3, but the basics (heart rate, sleep, exercise tracking, 10-day battery) are still solid. The biggest complaint in reviews is the touchscreen responsiveness, which can feel slow next to newer Fitbits. Shoppers who want a longer battery and a long Premium trial for the lowest price will find the Inspire 2 hard to beat.
The included 1-year Premium trial is the most generous of any tracker on this list. It activates the moment the device pairs, so it makes sense to set the tracker up only when ready to start counting down the trial.
7. Fitbit Charge 4: Best for Runners
Fitbit Charge 4 Fitness and Activity Tracker with...
GPS: Built-in
Heart rate: 24/7
Battery: 7 days
SpO2: Yes
Water: 50m
What we like
- Built-in GPS for accurate pace and route
- Active Zone Minutes is motivating for cardio
- Heart rate and step tracking are accurate
- Detailed sleep stages tracking
- Comfortable band for daily wear
What could be better
- GPS drains battery in roughly 5 hours
- Default band could be more comfortable
- Bluetooth syncing can be inconsistent
The Charge 4 is the older Charge that still holds its own for runners. Built-in GPS logs pace, distance, and route without a phone, SpO2 watches blood oxygen trends overnight, and skin temperature tracking is a useful early signal during recovery. Active Zone Minutes turns heart rate zones into a target that actually moves workouts forward.

Runners who want a running-first Fitbit and do not need Google Wallet or Maps on the wrist will see the Charge 4 as the budget-friendly alternative to the Charge 6. Sleep stages give a more detailed look at light, deep, and REM sleep than older trackers, and the swimproof 50m rating is enough for pool laps and post-run showers. Battery is rated at up to 7 days, though owners commonly see about 5 hours of continuous tracking with GPS running.

The Charge 4 misses Google Maps turn-by-turn directions, Google Wallet, and the most accurate heart rate sensor of the Charge 6, but the GPS, sleep stages, and Active Zone Minutes are all still there. Over the Inspire 3, it adds built-in GPS that runners will actually use. Owners who do not mind slightly older tech will find this is the running Fitbit to watch on a tighter budget.
The model is an older generation, so availability may shift as the sale progresses. Shoppers who want a specific color should check the listing early in the event.
8. Fitbit Charge 6 (Renewed): Best Renewed Pick
Fitbit Charge 6 Fitness Tracker with Heart Rate...
GPS: Built-in
ECG: Yes
Battery: 7 days
Warranty: 90 days
Display: 1.04 inch
What we like
- Same features as the new Charge 6
- Built-in GPS with Google Maps
- Google Wallet and YouTube Music controls
- Most accurate heart rate in the lineup
- 7-day battery under normal use
What could be better
- Renewed product with 90-day limited warranty
- May show cosmetic wear
The renewed Charge 6 is the same tracker as the new Charge 6, just pre-owned, inspected, and sold through Amazon Renewed. For Prime Big Deal Days shoppers comfortable with refurbished electronics, it is the cheapest way to get Google Maps, Google Wallet, the most accurate heart rate sensor, and the ECG app without paying the full retail price.

Shoppers who treat the tracker as a year-or-two device anyway will find the renewed price makes a lot of sense. The 7-day battery, 40+ exercise modes, Bluetooth heart rate broadcasting to gym equipment, and the Daily Readiness Score are all the same as the new unit. Amazon Renewed typically ships with a 90-day limited warranty, which is shorter than the new-device warranty but still covers the early failure window most buyers worry about.

Versus the new Charge 6, this version may show minor cosmetic wear like faint scratches on the case or a slightly worn band, though Amazon Renewed grades each unit. Stacked against the Versa 4, the renewed Charge 6 is smaller, lighter, and has the newer health sensor stack. Shoppers who want flagship Fitbit features at the lowest listing price should put the renewed Charge 6 on their shortlist.
Read the renewed condition notes on the listing before checkout. Amazon Renewed sometimes offers replacements in plain packaging, which is worth expecting if the box matters as a gift.
9. Fitbit Aria Air: Best Companion Scale
Fitbit Aria Air Smart Scale, Black
Type: Smart scale
Users: Multi-user
Display: Weight only
Sync: Bluetooth
Setup: Easy
What we like
- Simple weight tracking
- Syncs to the Fitbit app over Bluetooth
- Supports multiple users
- Affordable companion to any Fitbit tracker
- Clean and modern design
What could be better
- Weight-only display with no body composition
- Requires AAA batteries
- No backlit display
The Aria Air is the smart scale that pairs cleanly with any Fitbit tracker. It weighs you, sends the number to the Fitbit app over Bluetooth, and lets the same app track both weight trends and the activity that drives them. For Prime Big Deal Days shoppers already buying a tracker, the Aria Air is the lowest-friction way to round out a weight-loss or weight-management setup.

Households with multiple users get a real plus from the multi-user support: the scale recognizes up to 8 different people without tapping a button, and each profile stays separate in the app. The design is clean and modern, and the platform is wide enough for steady weigh-ins. Setup is genuinely simple, which is a relief compared with some smart scales that need Wi-Fi pairing and firmware updates.

Body composition scales go deeper, but the Aria Air keeps things minimal: weight only, no body fat, muscle mass, or BMI metrics. That is the trade-off for the lower price. The newer Air uses Bluetooth and skips the Wi-Fi setup of the older Aria 2, which most owners actually prefer. Shoppers who want simple, reliable weight tracking in the Fitbit app will find this one a great buy.
The Aria Air takes AAA batteries rather than rechargeables, so it is worth keeping a spare set in a drawer to avoid a surprise dead-scale morning.
10. Fitbit Sense (1st gen): Best for Advanced Health on a Budget
Fitbit Sense Advanced Smartwatch with Tools for...
Stress: EDA Scan
ECG: Yes
Skin temp: Yes
GPS: Built-in
Battery: 6+ days
What we like
- EDA Scan app for stress detection
- ECG app for AFib assessment
- Skin temperature trend tracking
- Built-in GPS for outdoor workouts
- Amazon Alexa built in
- 6-month Premium trial included
What could be better
- Battery life drops to 4-5 days under heavy use
- Heart rate accuracy can vary during intense exercise
- Premium subscription required after trial
The first-generation Sense is the older sibling of the Sense 2 and a great way to get advanced health features for less during a sale. The EDA Scan app measures electrodermal activity for stress, the ECG app takes a clinical-grade heart rhythm reading, and skin temperature trends surface overnight changes that often precede a cold or a hard training block. The 6-month Premium trial is included to unlock the deeper health insights.

Shoppers who want the most health features per dollar will see the first-gen Sense as the smart play. The AMOLED display is sharp, Alexa handles voice commands on the wrist, and built-in GPS tracks outdoor activities without a phone. Owners who already know they want cEDA, ECG, and skin temperature trends will find everything they need on this older model.

The first-gen Sense uses the on-demand EDA Scan app rather than the continuous cEDA sensor of the Sense 2, which means stress readings happen when you choose, not all day. Battery also drains faster under heavy use, sometimes to 4-5 days, while the Sense 2 stretches past 6 days. Shoppers who want always-on stress monitoring should still pick the Sense 2; shoppers who want the same ECG and skin temperature features at a lower price will find this older Sense is the bargain of the list.
The EDA Scan is a deliberate 2-minute measurement, not a passive monitor. Plan to do the scan when sitting still rather than mid-walk.
How to Choose Fitbits During Prime Big Deal Days
Fitbit's current lineup splits into three layers: budget bands (Inspire 2, Inspire 3), mid-range trackers (Charge 4, Charge 6), and premium smartwatches (Versa 4, Sense 2). Older models like the original Sense and the Luxe Special Edition often show up at the lowest prices during the sale, which is the right time to grab them if the feature set still fits.
Which Fitbit Sensors and Health Metrics Matter Most
Continuous heart rate is on every Fitbit here, but the more advanced sensors narrow the list fast. ECG and irregular heart rhythm notifications land on the Sense 2, the first-gen Sense, and the Charge 6. SpO2 and skin temperature trends show up on the Charge 4, Sense 2, and Sense. The continuous cEDA stress sensor is exclusive to the Sense 2, while the on-demand EDA Scan app is on the first-gen Sense. Shoppers who only need heart rate, steps, and sleep can stop at the Inspire 3 and skip the rest.
Battery Life and Charging: What to Expect from Fitbits
The Inspire 2 and Inspire 3 lead at up to 10 days, which is the right pick for shoppers who refuse to charge nightly. The Charge 4 and Charge 6 sit at up to 7 days under normal use, dropping to about 5 hours with continuous GPS. The Versa 4 and Sense 2 hold 6+ days under typical use, while the first-gen Sense drops to 4-5 days under heavy load. GPS is the single biggest battery drain across the lineup, so runners should expect to charge more often than the rating suggests.
Sleep Tracking, Smart Wake and Sleep Score on Fitbit
Every Fitbit here ships with Sleep Score, but the depth varies. The Inspire 2 and Inspire 3 give a single Sleep Score number. The Charge 4 and Sense add sleep stages (light, deep, REM). The Sense 2 and Versa 4 add the full Sleep Profile, which compares each night against a 30-day baseline. Premium unlocks Smart Wake and the deeper sleep tools on most models, so shoppers who care about sleep should plan for the subscription if they want the full picture.
GPS, Workouts and Running Features on Fitbit
Built-in GPS is on the Charge 4, Charge 6, Versa 4, Sense 2, and the first-gen Sense. Connected GPS (through the phone) is on the Inspire 3 and Luxe Special Edition. For runners and cyclists who want pace and route without a phone, the Charge 4 is the cheapest built-in option, and the Charge 6 adds Google Maps turn-by-turn directions. Active Zone Minutes is on every model, while Daily Readiness Score is on the Charge 6, Versa 4, and Sense 2.
Fitbit vs Premium Fitbit: Matching Price to Use Case
The Inspire 2 and Inspire 3 are the budget picks for casual users who want heart rate, sleep, and step tracking. The Charge 4 and Charge 6 are the mid-range picks for runners and active users who want built-in GPS and on-wrist payments. The Versa 4 and Sense 2 are the premium picks for shoppers who want an AMOLED display, Alexa, and either smartwatch features or advanced health sensors. During a sale, an older flagship like the first-gen Sense often drops into the mid-range, which is the right time to grab it.
How to Shop Fitbit Deals During the Sale
Check the model year and generation on every listing before checkout, since older and newer Fitbits share similar names. Watch for "Renewed" or "Amazon Renewed" labels, which are pre-owned units with a 90-day limited warranty rather than the new-device warranty. Look at the band size and color in the bullet points, since some colors ship with different default bands. Confirm the seller ships and sells the unit, since third-party sellers sometimes handle older Fitbits. Most offers throughout the event need an active Prime membership, and a free trial counts.
- Confirm the model year and exact name (Charge 4 vs Charge 6) on the listing before checkout.
- Check whether the unit is new, renewed, or open-box, and what warranty applies.
- Look at the band size and color in the bullet points, since Fitbit often ships different bands by color.
- Make sure Prime is active on the account, since most sale offers are gated to members.
- Set a price alert early in the event, since the best offers on older Fitbits tend to move fast.
Frequently Asked Questions
When do Fitbit Deals run during Amazon's Prime Big Deal Days in 2026?
Prime Big Deal Days runs October 6-7, 2026, and Fitbit listings are typically part of the event from the start. New Fitbit offers can appear or change at any point during the two-day window, so it pays to check back often rather than waiting for day two.
Do I need an Amazon Prime membership to see Fitbit Deals during Prime Big Deal Days?
Most offers throughout the event are gated to active Prime members. A free trial counts, and shoppers can start a trial right before the event to access the same offers as long-time members.
Which Fitbit is best for sleep tracking during the sale?
The Fitbit Sense 2 and the Fitbit Versa 4 give the deepest sleep data with the Sleep Profile feature, which compares each night against a 30-day baseline. The Fitbit Charge 4 and first-gen Sense also track sleep stages for shoppers on a tighter budget.
Which Fitbit is best for runners and outdoor workouts?
The Fitbit Charge 6 leads for runners with built-in GPS, Google Maps turn-by-turn directions, and the most accurate heart rate sensor. The Fitbit Charge 4 is the budget-friendly alternative with built-in GPS and Active Zone Minutes for shoppers who do not need on-wrist maps.
Is Fitbit Premium required to use a Fitbit tracker?
No, every Fitbit here works without a Premium subscription, and the included trials range from 6 months to a full year. Premium unlocks deeper health insights like the Daily Readiness details, the full Sleep Profile, and advanced stress breakdowns, but core tracking works on the free tier.
Are older Fitbit models worth buying during Prime Big Deal Days?
Older Fitbits like the first-gen Sense, the Luxe Special Edition, and the Charge 4 often drop to their lowest prices during a sale, and they still cover the basics well. The trade-off is usually a shorter battery, an older sensor stack, or a less polished app experience, so it pays to check the feature list before checkout.
Final Verdict: Fitbit Deals: Prime Big Deal Days
Buy the Fitbit Charge 6 if you want the single most well-rounded Fitbit to watch this sale, with the most accurate heart rate sensor, built-in GPS with Google Maps, and Google Wallet. Buy the Fitbit Inspire 3 if you want a low-fuss band with a 10-day battery, sleep scoring, and stress management at a noticeably lower price. For the deepest health metrics, the Fitbit Sense 2 is the premium pick with cEDA stress detection, ECG, and irregular heart rhythm notifications. Runners should also keep an eye on the Fitbit Charge 4 for built-in GPS without paying flagship prices, and shoppers who want a smartwatch should watch the Fitbit Versa 4 for its AMOLED display and built-in Alexa. Set a price alert on your top pick now and check back through both days of the event, since Fitbit offers can change fast throughout the sale.








