Accurate data sync between your bracelet and the app, it can even detect how many times you woke up during your sleep period
Waterproof function: no problem in 30m depth. You can wear it to have a bath or even swim.
Smart Vibration Alert Featur. App for Android or iOS
Smart Alert: Coming call alert, idle alert, sleep time alarm
Software Support: Bluetooth 4.0 for iPhone 6 6plus iPhone 5S Samsung S5 Android 4.3/ IOS 7.0 and above