Screen: 0.96 inch IPS color screen
System : Android 4.4 and above, IOS 8.0 above
Bluetooth version:    BLE 4.0 / Bluetooth chip: DA14585
Heart rate module: HRS3300
Battery : 100MAH
Stand-by time: About 2 weeks
Operation time: About 1 week
Physical key: Touch
Motor: Built-in, vibration reminder
Charging way: Charging with charging clip
Waterproof grade: IP67
Sensor: Gravity sensor KX023
Functions: Heart rate monitoring,    Blood pressure monitoring,Blood oxygen monitoring,Time and date display, step, calorie, distance counting and display with screen,Standard movement function (step, distance, calorie counting),Sleep monitoring (sleep time, sleep quality),Call reminder, message, QQ, WeChat, Facebook, Skype, Twitter, WhatsApp, Line, KakaoTalk message push,WeChat movement access,    Screen brightens while raising hand, Excessive sitting reminder, Alarm clock reminder,Mobile phone searching,Multiple movement modes (walking, running, riding, climbing, swimming),Call reject,Shake to take photo,Movement objective setting,Fitness information sharing,SUOTA function, upgrade bracelet firmware through APK/APP, Automatically synchronize data to APK/APP,Task reminder, No disturb mode