COOSA Heart Rate Monitor, Wirless Fitness Tracker, ID107 Bluetooth 4.0 Touch Screen Smart Wristband with Multi-Functions Activity Tracker for Android and iOS

Color: Black, Blue, Orange, Purple, Green

APP OS: IOS7.1&above, Android4.4&above

Sensor: G Sensor kx022-1020

CPU chip: Nordic nRF51822

HR sensor: Silicon labs Si1142

Vibration: Real time vibrate to remind

Waterproof:life waterproof (Sweat proof, rain proof, water drop proof)

Screen Size: 0.49"

Screen Type: OLED

Bluetooth: BLE Bluetooth 4.0 Sync

Battery:70mAh Li-polymer battery

Standby time:5-10 days

Charging:2 points contact

Charging time: About 1hour