Activity tracker, wireless multifunctional watch BT 5.3, 1.83"" TFT touchscreen, 180 mAh battery, wireless rechargeable, cable included, functions: heart rate monitor, blood pressure monitor, blood oxygen monitor, calories counter, BT, music player, sleep monitor, weather, vibration, phone book, APP notify, messages notify, stopwatch, time and date, alarm, anti-lost function, camera remote, torch