1. CPU: ARM Cortex-M4F                                                   
2. Display: 1.3 inch TFT color screen, 240*240                                     
3. Waterproof rating: IP67                                           
4. Bluetooth: BLE5.0
5. Battery: 180mAh polymer lithium battery
6.Charging way: Maganetic Charging   
7. Compatiable: Android 5.0 and above, IOS 9.0 above 
8. APP: SmartWristband3               
8. Function: Real-time heart rate monitoring, exercise tracking, sleep monitoring, sedentary reminder, multiple sports modes, call reminder, contact name display, SMS, Facebook, Twitter, Skype, WhatsApp ect notification reminder and view content display, alarm clock reminder, app dial push, Store 8 message reminders, time 12/24 hour / Date / week / weather / battery display, Self-defined push dial settings for photos and photo albums, display brightness settings, remote camera photography, custom dials, turn your wrist to bright the screen, do not disturb mode, OTA upgrade.