Smart Watch, 1.28 inch touch screen, full screen high definition screen, resolution: 240 * 240. IP68 waterproof, 260mAh large capacity battery, with APP to monitor your exercise track, display your exercise data exercise in the most precise way: steps, distance, calories burned. Support blood pressure, heart rate detection, sleep monitoring. Smart Watch Compatible System: Dual Bluetooth 5.1 + 3.0, Support Android5.1 and iOS8.0 and above. Not applicable to PCs or tablets paired with smartphones via a Bluetooth connection. Equipped with magnetic charging USB cable, 260mAh battery, long battery life, long lasting, safer and more power saving. Dual-mode dialing Bluetooth call, registering the mobile phone sync address, whether at home or away, mobile phone calls are pushed to the watch in time, waterproof speaker High fidelity, real-time synchronization with the mobile phone, improve your Key View, single response and communicate more freely. Connect to earphones directly, bluetooth to play local music supports conneSleeping scientist, complete sleep structure recording, intelligent sleep monitoring, judge and record sleep time, sleep quality, stay late and wake up, intelligent equipment associated with methods of scientific calculation to help you understand your sleep state.Multi-sports mode selection, Sports mode Support: Support running / cycling / climbing / swimming / fitness, etc. To meet all your interests and all your lifestyles. More convenient daily functions, support silent alarm / sedentary reminder, stopwatch, dial switch, touch screen click to refuse connection, smart mobile phone function, convenient life assistant.