Xiaomi Huami AMAZFIT Arc black (AF-ARC-BLK-001) USED

 Design Device type: Wristband activity tracker Colour of product: Black Scratch resistant: Y Band colour: Black Control type: Touch Waterproof: Y Display Display diagonal: 1.07 cm (0.42") Touchscreen: Y Display type: OLED Performance Active minutes: Y Calories burned: Y Distance travelled: Y Hours slept: Y Quality of sleep: Y Heart rate monitor: Y Accelerometer: Y Ports & interfaces Connectivity technology: Wireless Bluetooth: Y Power Battery life: 20 day(s) Battery capacity: 70 mAh System requirements Mobile operating systems supported: Android,iOS