Model: S15 Chipset: NRF51822 Screen: 0.96 inch OLED screen; Bluetooth 4.0, Applicable: Android 4.0 or above; IOS 7.0 or above; Heart rate &blood pressure test;Single touch; 100mAh lithium battery
Long stand-by time: 20days
Life water-proof, Support pedometer, calorie measurement, incoming call and message reminder, sleep monitor, alarm clock, Sedentary , time display etc.