Key Features:0.95" display screen, view time, step count, heart rate and more via the screen.Sleep tracker, let you know your deep sleep and shallow sleep, help you develop good living habits.Tell you with vibration when a call or message comes, you never need to worry about missing any important calls or info.IP67 waterproof, suitable to use at home, office and during outdoor activities.Manufacturer Specifications General:Item type: Smart WatchAntenna: BluetoothAPP support language: Chinese, Chinese Traditional, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Vietnamese, Portuguese (12 languages ​​in total); iOS 8.0 or above Android 4.4 or aboveHeart rate: PD70-01C-TR7Packing size: 65*72*93mm (length * width * height)RAM/ROM: 32KB+256KBHardware platform: NRF51822 (M0)Accelerometer/Gyro, Model Number: ROHM KXTJ2-1009Battery capacity: 120MAHCharging: magnet pogo pinBluetooth: Bluetooth 4.0Battery weight: 2.4gTouch screen specifications: single touchDial: zinc alloy