Specification:
1. APP/APK & PC Cloud Service, Automatically
sync data by Bluetooth
2. Time dispaly
3. Distance display
4. Pedometer
5. Calories consume
6. Sleep Management:sleep quality -light/ deep
sleep. turn over body times
7. Display incoming call ID or number
8. SMS/WhatsApp/Wechat/QQ etc. message notify
9. Water Resistant, Dust protection