Compatible with Apple, Smart watch I9 wearable bracelet compatible with IOS system heart rate Bluetooth call $ 24.67 NoteNon-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
