The Fitbit Charge FB404 Black Fitness Activity Tracker is a sleek and compact device designed for both indoor and outdoor activities. It features a high-resolution OLED display that shows various measurements such as speed, heart rate, cadence, time, distance, and calories. With a battery life of up to 5 days and the ability to sync stats wirelessly to your smartphone, this activity tracker is perfect for tracking your workouts and monitoring your fitness goals. The device is water-resistant, has a comfortable wristband, and offers features like a stopwatch, sleep tracking, and open goal settings. Whether you're a gym enthusiast or a yoga fan, the Fitbit Charge FB404 is a versatile and reliable fitness companion.
eBay
Product list ： Smart ring + charging cable. It also includes a care mode for sharing health data with others, making it an ideal gift choices for friends, couples and family care. Battery Capacity ：20 Milliamp Hours.
eBay
Fitbit Inspire 3 - Glow/Black. Good - Refurbished: The item shows moderate wear and is backed by a one year warranty. Color: Black. For parts or not working: The item does not function as intended and is not fully operational.
eBay
Fitbit Inspire 3 - Glow/Black. Color: Black. Good - Refurbished: The item shows moderate wear and is backed by a one year warranty. For parts or not working: The item does not function as intended and is not fully operational.
eBay
Also support heart rate variability (HRV) function.
eBay
eBay
The RingConn Gen 1 Smart Ring in Moonlit Silver is a unisex activity tracker designed for men who enjoy running and jogging. Made from durable titanium material, this ring features optical bio-tracking sensors to monitor your heart rate and provides real-time measurements in both decimal and imperial systems. With a battery life of up to 7 days and compatibility with both iOS and Android operating systems, this smart ring is perfect for indoor and outdoor workouts. Its sleek design and English language interface make it a stylish and reliable tool for tracking your fitness progress. includes charging box and lead
eBay
0-12 km/h speed settings for walking, jogging, and running. Space-Saving Foldable Design. Customize your workout intensity with multiple incline levels. Compact footprint fits in small spaces. Quiet & Powerful Motor.
eBay