Note：Non-Apple branded products,Compatible with iPhone models

Appearance dimension: 210 * 45 * 12 mm (total length of strap * diameter of case * thickness)
Color: Black / orange / dark green; belt black / Belt Brown
Bluetooth: ble 4.0
Call Bluetooth: ble 3.0
Waterproof grade: IP67
Main control chip: hs6620d
Acceleration sensor: sc7a20
Heart rate module: sc7r30128kb + 1m, red light + green light module support dynamic heart rate / blood pressure / blood oxygen detection
Display screen: Type: 1.3-inch pure circle colorful display screen
Touch screen: full touch
Resolution: 240 * 240 pixels
Battery type: polymer lithium battery
Battery capacity: 200 Ma
Charging time: about 60 minutes
Working time: 5-7 days
Standby time: about 30 days
Material: zinc alloy case / plastic + environmental TPU strap / leather strap