Bluetooth 4.0 Heart Rate Monitor - This H8 allows you to connect to smartphones and GPS devices simultaneously
Workout Efficiently - view real-time heart rate, training zones and calories burned, maximize your workout
Compatible App - Works seamlessly with 50+ Apps including Wahoo, Strava, Endomondo, IpBike
Adjustable Chest Strap - Fabric material, comfortable to wear, adjustable length from 65" to 95". The chest belt is available for machine wash; GET IT FOR FREE: 4272VIVE
ATTENTION: Many customer complain this device won't work because they did not pair it correctly, kindly turn on bluetooth, and go to the APP to add our device. For more info, please visit: https://youtu.be/6JBHwHveelg