Activity Trackers
activity trackers — pre-owned
Browse 13,027 activity trackers — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
Fitbit Charge 6 Fitness Smartwatch - Activity Tracker - Black - GA05195-WW
AMOLED display with crisp visuals and smooth touch response. Key Features.
FITBIT CHARGE 6 Fitness Tracker Black SM Preowned Work Perfectly Model GA05183NA
The Jewel on the back is in excellent condition. WORKING PERFECTLY NO ISSUES AND BATTERY LIFE IS EXCELLENT. No paperwork or instructions. THE GLASS IS IN GREAT CONDITION ON THE WATCH. The wristbands and the unit are the black Model.
FITBIT CHARGE 6 Fitness Tracker Black L Light SC Works Perfectly Model GA05183NA
THE JEWEL ON THE BACK IS IN EXCELLENT CONDITION. WORKING PERFECTLY NO ISSUES AND BATTERY LIFE IS EXCELLENT. LIGHT scratches on the glass. THE WRISTBANDS MAY SHOW LIGHT SIGNOF WEAR. The wristbands and the unit are the black Model.
You save $3.00
FITBIT CHARGE 6 Fitness Track SM DS Black Preowned Works Perfect Model GA05183NA
THE FITBIT HAS SCRATCHES ON THE GLASS. WORKING PERFECTLY NO ISSUES AND BATTERY LIFE IS EXCELLENT. The wristbands and the unit are the black Model. THIS UNIT OR UNITS IS PERFECT IF YOU PLAN ON ALREADY PUTTING HEAVY USE TO IT.
You save $7.50
FITBIT CHARGE 6 Fitness Tracker Black Preowned Works Perfectly Model GA05183NA
The unit is preowned but nothing is broken or Ugly. The wristbands and the unit are the black Model. The box will have signs of wear as the boxes are open. The Watches are in Great condition, but might show very slight signs of wear.
FITBIT CHARGE 6 Fitness Tracker Black L Preowned Works Perfectly Model GA05183NA
THE FITBIT GLASS IS IN LIKE ALMOST NEW CONDITION WITH NO DEEP SCREATCHES. THE JEWEL ON THE BACK IS IN EXCELLENT CONDITION. WORKING PERFECTLY NO ISSUES AND BATTERY LIFE IS EXCELLENT. The wristbands and the unit are the black Model.
Apollo Neuro Neuroscience Sleep Aid Stress Relief Wearable Device Anxiety
The Apollo Neuro Neuroscience Sleep Aid Stress Relief Wearable Device is a black activity tracker designed for both indoor and outdoor use. It is compatible with iOS and Android operating systems, features a rechargeable battery with up to 2 days of battery life, and is water resistant. The device, designed by Apollo Neuro, is worn on the wrist and includes a wristband for easy use. It also functions as a sleep tracker and is lightweight at 4 ounces, making it suitable for activities such as running and jogging. The device is compact, measuring 2 inches in length, 0.5 inches in height, and 1.5 inches in width.
Oura Ring Gen 4 Smart Health Ring Gold Size 10 - CIB w/ Charger
Fitbit Luxe Fitness Wellness Tracker GPS Stress Management Black Graphite
You save $3.34
Fitbit Inspire 3 Activity Tracker - FB424BKBK-US Black - Damaged Box
The Fitbit Inspire 3 Activity Tracker in black offers a sleek design with a display resolution of 126 x 294. It is rechargeable with a battery life of more than 7 days. This activity tracker provides measurements for heart rate, time, distance, and calories in both decimal and imperial systems. It is suitable for indoor and outdoor activities and features like wireless connectivity, Bluetooth compatibility, GPS tracking, and smartphone integration. With a variety of sensors including SpO2, accelerometer, GPS, and ambient light, the Fitbit Inspire 3 is a versatile tool for fitness enthusiasts looking to track their workouts effectively.
FITBIT CHARGE 6 Fitness Tracker Black S Light SC Works Perfectly Model GA05183NA
THE JEWEL ON THE BACK IS IN EXCELLENT CONDITION. WORKING PERFECTLY NO ISSUES AND BATTERY LIFE IS EXCELLENT. LIGHT scratches on the glass. THE WRISTBANDS MAY SHOW LIGHT SIGNOF WEAR. The wristbands and the unit are the black Model.
You save $3.00
Fitbit Zip Wireless Activity Steps Calories Distance Fitness Tracker Clip On
Simply tap the display to see your daily fitness stats. - Calories burned. -Set goals & view progress. Wireless sync dongle. Good Used Condition - Fully Cleaned & Sanitized! -Earn badges for reaching milestones.
OURA Ring 4 | Size 7 | Silver | Bluetooth | JZ90-54217-07 | Excellent
The OURA Ring 4 Size 7 Silver (Model JZ90-54217-07) is a sleek, advanced health and wellness wearable designed to provide comprehensive insights into your sleep, activity, and overall well-being. Crafted from durable, lightweight materials with a polished silver finish, this ring combines style with cutting-edge sensor technology.
You save $169.00
RingConn Silver Smart Ring - size 10 plus charger
Only wore for a couple of weeks. Just found I didn’t need it as I also have a smart watch. So much info tracked through this ring; sleep, vitals, women’s health, stress, activity and more. Comes with a charger. Holds a charge for over a week. Retails for $299.
Fitbit One Burgundy Tracker - NEW BATTERY - Tested - 6.60 update, new clip.
Fitbit One with Holder - New Battery - Burgundy.
Oura OURA2402 Activity Tracker Ring Black Size 11 with Charger
The Oura OURA2402 Activity Tracker Ring in black, size 11 is a sleek and stylish fitness technology device designed to track your activities, specifically geared towards running and jogging. With its innovative design and high-quality materials, this ring allows you to monitor your movements and progress on the go. The included charger ensures that you stay connected and motivated to achieve your fitness goals. Perfect for those looking to enhance their workout routines and track their performance with precision.
RingConn Gen 2 Air Ultra-Thin AI Smart Ring - Size 7 Dune Gold - Good Condition
Color: Dune Gold. Build: Sleek Dune Gold finish with durable construction. Model: Gen 2 Air. Performance: Provides insights for wellness, recovery, and daily activity. B+ GRADE: In good condition with normal signs of use.
Fitbit - Luxe Fitness & Wellness Tracker - Gold (FB422BKBK) Working No Charger
The Fitbit Luxe Fitness & Wellness Tracker in Gold is a sleek and sophisticated activity tracker designed for both indoor and outdoor use. Made of stainless steel, this unisex device offers a range of measurements including heart rate, speed, time, distance, and calories. With a battery life of up to 5 days and compatibility with various operating systems, this Fitbit model provides a comprehensive overview of your fitness journey. Featuring a 0.76-inch display and water resistance capabilities, the Luxe is a versatile tool for gym training, weight lifting, swimming, yoga, and running.
Fitbit Sense 2 Silver With Light Gray Band
You save $16.99
Oura Ring Gen 4 Silver Size 10
In excellent condition This was my replacement from my original purchase (the new ring serial number doesn’t match the original box) The replacement is 5-6 months old I am selling because my finger got bigger and I bought a new size 11 to replace this one What you get with your order: The original Oura ring that is defective battery that matches the serial number The excellent working condition of the replacement Oura ring (different serial number ) The original charging base and cord Box and instructions
Polar A370 Fitness Tracker Heart Rate Watch W/Black Band & Charging Cable--Great
Polar A370 watch with charging cable only, nothing else included. We have more than one Polar watch available for sale.
Fitbit Charge 2 Fitness Wristband Plum Purple w Charger
Fitbit Inspire 3 Health & Fitness Trackers With Nylon Bands Black/Tan/Pink/Green
In good condition. Fully functional. The band is brand new. Comes with a charging cable.
Fitbit Inspire 2 Activity Tracker FB418 - Black with Charger/Bundle VG Cond
Fitbit Inspire 2 Activity Tracker FB418 - Black with Charger/Bundle VG Cond. Condition is Used. Shipped with USPS Ground Advantage.
RingConn Gen 2 Royal Gold (Size 10)
Purchased on 3/12/26. (Size 10) Ring will come with charger/cord. Ring is in great condition. I’m selling as I recently purchased a Garmin to track health related activities. Reach out with any questions. Thanks
Garmin Vivofit Activity Tracker Blue SMALL Band Step Tracker NEW BATTERIES
Garmin Vivofit Activity Tracker Blue SMALL Band Step Tracker NEW BATTERIES New batteries as of 05/2026
Google Pixel Watch No Band No Charger Android Only (Not for iOS）Polished Silver
🚫NOT compatible with Apple iPhone or iOS devices. Android only – WillNOT work with Apple iPhone / iOS devices. ⌚Premium Google Pixel Watch – Case Only – Refurbished & Ready to Use! ✅Works ONLY with Android smartphones (Android 8.0 or newer).
You save $6.60
Fitbit - Luxe Fitness & Wellness Tracker - Gold (FB422) Working No Charger
The Fitbit Luxe Fitness & Wellness Tracker in Gold is a sleek and sophisticated activity tracker designed for both indoor and outdoor use. Made of stainless steel, this unisex device offers a range of measurements including heart rate, speed, time, distance, and calories. With a battery life of up to 5 days and compatibility with various operating systems, this Fitbit model provides a comprehensive overview of your fitness journey. Featuring a 0.76-inch display and water resistance capabilities, the Luxe is a versatile tool for gym training, weight lifting, swimming, yoga, and running.
Oura Ring Generation 3 Heritage Black, Size 10
oura ring 4 size 10 Stealth + charging case used
Only had the ring for about 3 months. Still in pretty good condition, but has a few scratches. The charging case and included charger are pretty much like new.
LOT OF 100 Smart Watch Fitness Activity Trackers Used (UNTESTED) Description
LOT OF 100 Smart Watch Fitness Activity Trackers Used (UNTESTED) Description . Condition is For parts or not working. Shipped with USPS Ground Advantage.
Oura Ring Gen3 Heritage Size 6 Black Activity Tracking Fitness Ring
The Oura Ring Gen3 Heritage Size 6 in black is a high-tech activity tracking ring designed for fitness enthusiasts. This stylish ring offers accurate heart rate monitoring and sleep tracking, making it a perfect companion for those looking to improve their indoor and outdoor workouts. With a battery life of up to 7 days and compatibility with Android operating systems, this ring provides in-depth data in both decimal and imperial measurement systems. Perfect for running and jogging, the Oura Ring Heritage Gen 3 is a must-have for anyone interested in tracking their fitness progress.
Oura Ring Gen3 Smart Activity Tracker - Size 9 - Rose Gold | JZR0-51149-09
Power Cable NOT Included. Ring ONLY . We are proud of the service and quality of the products we provide. An item that has been used previously. Photos are of actual device. All devices are factory reset.
Fitbit Sense 2 Silver With Watch Band Included
Pre-owned but in great condition. Please see pictures. The watchband color isn't the one listed in picture. No charger
Oura Ring Gen 4 Size 10 Health & Fitness Tracker Smart Ring
Tested. Fair condition with some signs of use. Includes ring and charger. Size 10
Oura ring gen 4 -size 11 - Silver (moderate wear- see photos)
Ring has moderate wear as photoed. IF IT ISN’T IN THE PHOTOS, IT IS NOT INCLUDED. We take fraud very seriously.
You save $7.50
Oura ring gen 4 -size 11 - Brushed Silver (moderate wear see photos)
Moderate wear, see photos. IF IT ISN’T IN THE PHOTOS, IT IS NOT INCLUDED. We take fraud very seriously.
You save $8.50
Muse S MS-01 The Brain Sensing Headband Gray - Mental Fitness, Sleep Monitor
Garmin Fenix 5 plus 47mm Activity Tracker
The Garmin Fenix 5 Plus 47mm Activity Tracker in black is a top-of-the-line fitness technology device designed for serious athletes. With features such as multi-sport tracking, Bluetooth connectivity, speedometer, stopwatch, pedometer, clock, compass, smartphone compatibility, and more, this activity tracker is perfect for runners and joggers looking to track their performance and progress. Its silicone band, rechargeable battery, and water-resistant design make it durable and convenient for daily use. Compatible with Android operating systems, the Garmin Fenix 5 Plus is the ultimate tool for those seeking to enhance their fitness and training routines
Upright GO 2 Personal Posture Trainer Device Very low use conditions URF01W-IN
1 Upright GO 2. GO 2 includes two built in sensors with gyroscope for more precise training and accuracy. Hard travel case. If it is not listed or pictured, it is not included!