About Product 1. Bluetooth: VER 4.0 2. Touch screen: touch button 3. System support: Android and IOS 4. Body Material: ABS+PC Strap Material: TPU 5. Battery: 70mAh large capacity polymer battery 6. System support: Android and IOS Features 1. 24-hour continuous heart rate monitoring, blood pressure monitoring, blood oxygen monitoring and analysis report, 9 sports modes, raised hand screen, caller ID and rejection, information synchronization view, weather forecast, sleep monitoring, WeChat internet, motion track, remote control camera , IP68 waterproof, 0.96 large screen display, a variety of dial switch, stopwatch, sedentary reminder, drinking reminder, alarm clock, two-way anti-lost, do not disturb mode, daily reminder (Facebook, whatsapp, twitter, link, etc.)