Activity Trackers
activity trackers — pre-owned
Browse 14,316 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 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 GOOD WORKING CONDITION ON THE WATCH. The wristbands and the unit are the black Model.
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
Oura Ring 4 Ceramic- Cloud Size 9
Authentic Oura Ring Gen 4 - Gold - Size 9
Shipped within 1 business day. Original box not included. The Oura Ring Gen 4 in Gold, Size 9 is an activity tracker designed for unisex adults who enjoy running and jogging. With a battery life of up to 7 days and a measurement system that offers both decimal and imperial units, this ring provides accurate tracking for your fitness goals. Made in Finland, this model from Oura ensures high-quality performance and reliability for all your athletic endeavors.
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.
Oura Ring Gen 4 Ceramic Petal Size 9
Open box like new
Oura Ring 4 Activity Tracker Ring, Silver Metal, Size 9, Battery 7+ Days
Purchased in 2026. It’s in great shape with time remaining on the warranty. It comes with the Oura charger and an 2nd off brand charger. Due to health reasons, I want to upgrade to the 5, but the Oura 4 is amazing.
Oura Ring Gen 4 Ceramic Petal Size 10
Open box like new
Oura ring 4 size 8 gold with USB charger and portable charger
Oura Ring 4 size 8 gold. Please see pictures, ring is worn in with scratches. Comes with charger stand and charging cable and with the portable travel charger. Travel charger has only been used once. Do not have original box for the oura ring.
Authentic Oura Ring Gen 4 - Gold - Size 8
Shipped within 1 business day. Original box not included. The Oura Ring Gen 4 in Gold, Size 8 is an activity tracker designed for unisex adults who enjoy running and jogging. With a battery life of up to 7 days and a measurement system that offers both decimal and imperial units, this ring provides accurate tracking for your fitness goals. Made in Finland, this model from Oura ensures high-quality performance and reliability for all your athletic endeavors.
Oura Ring GEN 4 Size 8 Silver with Charging base and cable
The Oura Ring GEN 4 Size 8 in Silver is a unisex activity tracker designed by Oura, perfect for tracking running and jogging activities. This model offers personalized fitness technology for a more accurate and detailed analysis of your athletic performance. Its sleek silver design adds a stylish touch to your fitness routine, making it an ideal choice for anyone looking to enhance their workout experience.
Authentic Oura Ring Gen 4 Black - Size 9
The Authentic Oura Ring Gen 4 Black in size 9 is a high-quality activity tracker designed for both indoor and outdoor use. Made of titanium, this ring features advanced sensors like an accelerometer to accurately track your heart rate and various activities such as running and jogging. With a battery life of up to 7 days and compatibility with both iOS and Android devices, this Bluetooth-enabled ring offers features like an exercise log, pedometer, calorie monitor, and more. Perfect for unisex adults looking to monitor their fitness and improve their overall health.
Oura Ring Gen 4 - Gold - Size 7
Shipped within 1 business day. Original box not included. The Oura Ring Gen 4 in Gold, Size 7 is an activity tracker designed for unisex adults who enjoy running and jogging. With a battery life of up to 7 days and a measurement system that offers both decimal and imperial units, this ring provides accurate tracking for your fitness goals. Made in Finland, this model from Oura ensures high-quality performance and reliability for all your athletic endeavors.
Oura Ring 4 Ceramic Midnight
Excellent condition, only two months old, no scratches and perfect working condition. Comes with charger and polishing cloth. Oura Ring 4 Ceramic Midnight is an advanced activity tracker designed for fitness enthusiasts, particularly those involved in running and jogging. This ring offers a variety of features such as Bluetooth connectivity, temperature monitoring, cadence tracking, pedometer use, data review, smartphone compatibility, calorie monitoring, distance tracking, ECG heart rate monitoring, exercise logging, sleep tracking, and heart rate monitoring. With its water-resistant design and rechargeable battery, the Oura Ring is a versatile and efficient tool for tracking and improving your fitness levels.
Fitbit One Burgundy Tracker - NEW BATTERY - Tested - 6.60 update, new clip.
Fitbit One with Holder - New Battery - Burgundy.
Oura Smart Ring Activity Tracker, 7+ Day Battery, Black/Gold w/ Dock & USB Cable
WORKS GREAT!!! Used for about 2 years- no technical issues. Normal wear. Charger included. Size 8
Fitbit Versa 2 Activity Fitness Tracker FB507 Rose Gold w/ Charger
Fitbit Versa 2 Activity Fitness Tracker FB507 Rose Gold w/ Charger. Condition is Used. Shipped with USPS Ground Advantage.
WHOOP 4.0 Battery Pack Charger With Cable
Please Read Description Below:.
You save $3.00
Oura Ring gen 4, Rose Gold, Oura size 7- With Charger.
Oura Ring, Gen 4, Rose Gold, Oura size 7.
Oura Ring Gen 4, White Ceramic Cloud w/ Charging Dock - Size 8
Shipped within 1 business day. 100% functional, zero issues. Verified seller. The Oura Ring Gen 4 in White Ceramic Cloud with Charging Dock in size 8 is a stylish and high-tech activity tracker designed for unisex adults. With a battery life of up to 7 days and powered by batteries, this ring allows users to track their fitness activities such as running and jogging. It comes with a set that includes a charging dock for easy convenience. Its sleek design and advanced features make it a popular choice for those looking to monitor their physical activity in a fashionable way.
Fitbit Versa 4 Fitness Smartwatch - Peach/Rose Gold - Pebble Only
Hume Longevity Band 24/7 Health Tracking *Lightly Used* worn a week
The Hume Longevity Band is a sleek black activity tracker designed for both men and women. This wrist-worn device offers real-time health tracking with features such as Bluetooth connectivity, heart rate monitoring, and sleep tracking. Powered by electric cordless technology, this plastic band provides accurate measurements in both decimal and imperial systems, making it ideal for those who engage in activities like running and jogging. With its advanced technology and comfortable design, the Hume Longevity Band is a great tool for those looking to improve their overall fitness and health.
Oura Ring Gen 4 - Stealth Size 11 w/travel case
Used Oura Ring Geb 4. Item has scratches but fully functional. Comes with charging stand, ring, usb c cable, and travel charger.
Muse S-21 the Brain Sensing Headband, Navy blue - USED
Muse S-21 Light Grey Pod. LOW PRICES. Condition: Used. BEST OF THE BEST. YOU MIGHT BE INTERESTED IN. FEATURED PRODUCTS.
Oura Ring Gen 4, Petal (Ceramic pink) w/ Charging Dock - Size 9
Shipped within 1 business day. 100% functional, zero issues. Verified seller. The Oura Ring Gen 4 in Petal (Ceramic pink) is a stylish activity tracker designed for unisex adults who enjoy running and jogging. With a battery life of up to 7 days and a sleek ceramic cloud color, this ring is not only functional but also fashionable. The set includes a charging dock for convenient charging, making it easy to keep your device powered up and ready to track your fitness goals. Its size 9 fits comfortably on most fingers, making it a versatile and reliable tool for monitoring your activity levels.
Garmin Vivosmart 5 Smart Activity Health Fitness Tracker Black Size Large Tested
Used once Very good condition Tested working Includes what you see in pictures
Oura Ring Gen 4 Stealth Size 10 Charger Box No USB cable *read
Box and charger included but no USB cable. Scratched up and sometimes has connection issues. Charges great and works well typically. Disconnected from my phone and Oura account. The Oura Ring Gen 4 Stealth Size 10 Charger Box is a sleek and powerful activity tracker designed for both indoors and outdoors. With a battery life of up to 7 days, this ring provides accurate heart rate monitoring and sleep tracking features. It is compatible with both iOS and Android operating systems, making it a versatile option for unisex adults looking to track their fitness progress. The titanium material and 2.4X external display enhance its durability and visibility, while the accelerometer and GPS sensors provide reliable data for running and jogging activities.
Fitbit Charge 6 Fitness Tracker - Black - Fitbit Pebble Only
You save $5.00
OURA Ring 4th Generation SILVER Size 14 with Charger & Charging Cable
The OURA Ring 4th Generation SILVER Size 14 is a sleek and versatile activity tracker suitable for both indoor and outdoor use. With a high-resolution display of 240 x 240, this metal ring displays your heart rate and other relevant fitness metrics. It has a battery life of up to 7 days and is compatible with iOS and Android operating systems. The included charger and charging cable make it easy to keep your device powered up and ready to track your fitness progress. Perfect for running and jogging, this Oura 4th Gen model is a must-have for fitness enthusiasts.
Oura Ring Gen 3 Horizon Rose Gold, Size 10, Smart Fitness Ring with Charger
The Oura Ring Gen 3 is.
Oura Gen4 Silver Size 9 Activity Tracker Ring w/ Charging Dock Unisex Adults
The Oura Gen4 Silver Size 9 Activity Tracker Ring is a sleek and stylish accessory for unisex adults who want to track their fitness goals. With a battery life of up to 7 days and a convenient charging dock, this finger-based tracker is perfect for both indoor and outdoor activities. Made of silver, this ring is durable and versatile, making it a great choice for anyone looking to stay active and connected to their workout routine.
Oura Ring Gen 4 Size 7 Brushed Silver, Pre-owned with Travel Charger!
Oura Ring Gen 4 Silver Size 12
Works great and in very good condition. I bought it new and have reset to factory settings. I loved it so much I splurged for the new Gen 5. No nonsense pricing. Includes charger, no cables. Uses any C cable.
Fitbit Versa 4 Activity Tracker - Waterfall Blue/Platinum
(Get better results from your workout routine with Versa 4 + Premium. Fitbit is part of the Google family. 2) Not available in all markets. It is intended to provide information that can help you manage your well-being.
Oura ring gen 4 Ceramic Petal Size 9
Open box like new
Oura Ring 4 Smart Ring Size 10 - Gold JZ90-54216-10 Ring Only
Ring is scratched. Also subject to change especially during peak periods.
You save $47.50
Fitbit Sense 2 Smartwatch - Shadow Gray - Watch Only
• Fitbit Sense 2 Watch ONLY. UNDERSTAND STRESS, THEN MINIMIZE IT’S EFFECTS – Better sleep, Improved mood, more energy – Managing stress with Sense 2 can help you get there. • Watch Band. WORK OUT SMARTER – Do what you love, just get more out of it.
You save $5.01
FITBIT CHARGE 6 Fitness Track L 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
Oura Ring 4 Size 13 Brushed Silver
The Oura Ring 4 in size 13 with a brushed silver finish is a stylish unisex activity tracker that provides accurate heart rate and sleep tracking features. With a battery life of more than 7 days and a convenient charging base included, this ring is perfect for individuals looking to monitor their fitness and wellness. Its sleek design, Bluetooth connectivity, and metal construction make it a practical choice for those engaging in activities like running and jogging. The Oura Ring 4 is a reliable tool for tracking and improving your fitness goals.
Oura Ring 4 Smart Ring Size 8 Silver Titanium | JZ90-54217-08 | Excellent
Personalized insights and health trends via the Oura app. Sleek Silver titanium design with ultra-light comfort for 24/7 wear. puchased March 3/26 worn for less than a month (thought it was lost but recently found it. ).