Bluetooth4.2 Monitor Smart Watch Heart Rate

Specification:
Material: ABS + PC
Colour: Black
Display: OLED
Screen size: 0.96 inches
Bluetooth version: 4.2
Bluetooth distance: 10 meters (open area)
Operation mode: Touch + button type
Resolution: 128 * 64
Waterproof: IP68
Battery capacity: Built-in 230mAh lithium battery (including)
Charging mode: USB charging
Charging voltage: DC5V
Charging time: 1 hour
Standby time: 15 days
Working temperature: -10 - 50 ℃
Compatible with Android4.2 and above, iOS8 and above, Bluetooth 4.2 and above
Function: Time and date display, pedometer, calories, sleep monitoring, heart rate monitoring, sedentary reminder, alarm clock and so on.
Strap size: 25.5cm (including smart watch)
Smart watch size: 50 * 24.5 * 14.7mm

Packing list:
1 x S908 Waterproof Smart Watch
1 x USB Cable (73cm)
1 x Chinese Manual
1 x English Manual