Bluetooth 4.0 connectivity, stable signals and low power consumption HD color screen of 1.3 inches, with IP67 water resistance level, sweat-proof and durable for use Health monitoring: heart rate measurement, blood pressure measurement and sleep monitoring Never missing massage and phone calling, it can save massage records, like WeChat, QQ, Wahtsapp, etc With built-in 90mAh battery, long standby time up to 10 days Widely compatible with Android 5.0 or above and iOS 9.0 or above smartphones Great for sport, old people, boy, girl, suitable for most people who need to monitor health condition Specification: Screen size: 1.3" Waterproof: IP67 Battery capacity: 90mAh Standby time: 7-10 days Daily use: 5-7 days Charging time: 1.5 hours Display Size: 1.3 inch Full Round Screen Resolution: 240*240 APP name: FitPro System Requirements: Support Android 5.0 and above, Apple IOS 9.0 or above Functions: Health check, Message push, Call reminder, Remote control camera, Sleep analysis, Multi-sports mode Compatible languages: Chinese, English, Spanish, French, German, Russian, Arabic, Dutch, Portuguese, Polish, Turkish, Japanese, Malaysia, Thai Package included: 1 x Smart Watch 1 x USB Charging Cable 1 x English and Chinese User Manual Other things not included ,230823