Smart Watch Waterproof Bluetooth Fitness Tracker Fitbit compartible with devices with Bluetooth function Functions: Heart rate monitor: Fast and Accurate Heart Rate monitoring all day long Sleep monitor: Are you curious about how well you sleep? Automatically provides sleep improvement advice and personalised sleep services.

Push Notification: support instant messages from Whats app, skype, news, etc

Pedometer: Counts steps, calories and distance calculation 

Sports mode: Ideal for walking, running, cycling, skipping and all sporting activities 

Remote control: Bluetooth music, Bluetooth camera 

Blood pressure: Gives you an idea of your blood pressure. 

This data is for reference only Blood oxygen: Gives you an idea of your blood oxygen. 

This data is for reference only Data synced: Watch data can be synced easily to your mobile phone's APP Sensors: Heart-rate sensor, gravity sensor Memory: RAM 128KB + ROM 256KB, SPI 4MB Other settings: Alarm, brightness adjustment, mute setting, reset, power off Parameters: Screen: 1.3 inch TFT round screen Bluetooth version: Bluetooth 4.0 CPU: HS6620D Compatibility: Android 5.1 / iOS 9.0 and above Battery capacity: 140mAh Li-ion battery (built-in) Working time: 3 days Standby time: 8 days Supported Languages: English, Chinese, French, Spanish, Russian, Japanese, Portuguese