Men's smart bracelet watch

CPU: RTL8762CK (realtek)
Memory: 64Mb
Display: 1.91 inches rectangular screen, resolution 170*320
Touch screen: on cell process capacitive touch screen
Heart rate sensor: Support \Tianyihexin 3300
Keep step: support
Bluetooth: support\support V5.0
Shell material: zinc alloy material
Bottom shell material: PC1414
Strap material: black TPU
Battery and battery life: 300mAh high-capacity polymer battery
Standby time: about 15 days
Use time: about 6-8 days
Button: Power button on the bottom side
Charging method: magnetic charging
Waterproof: support, IP68 waterproof