Disc True Rate Sport Step Counting Bluetooth Calling Watch

Product information:
Chip: Jerry second generation 7011 64Mbit
Heart rate: Tianyi core 3301
App: HiWatchPlus
Shell: ABS PC
Wristband material: TPU
Display screen: 1.39-inch TFT full HD screen resolution 240*240
Total length of wristband: 265mm
Head size: 46.5mm * 13.5mm
Watch strap size: 22MM
Waterproof: life waterproof
Battery Type: polymer battery
Battery capacity: 190mAh
Battery life: 2-3 days for normal use and 15 days for standby.
Charging Method: charging set
Charging time: about 2.5 hours