Firstsing Nrf51822 Blood Pressure Smart Bracelet Heart Rate Fitness Wristband IP65 Waterproof Watch for IOS Android

CPU: Nordic-Nrf51822
Screen size: 0.66 inch
Size type: OLED
Bluetooth: 4.0BLE（Low power consumption）
6-Axis sensor: InvenSense MPU6500
Vibration: Mute/Vibration
Waterproof: IP65/Life waterproof（Customized waterproof level according to the shell material）
Platform support: Android 4.4 or above,iOS 8.0 or above
Hot spot: Dynamic and static pressure, dynamic and static heart rate
Main function: Pedometer/Calories/Distance/Stopwatch/Sleep quality measurement/Call reminder/ALarm clock/Fall down reminder/Drink reminder/Social sharing（Wechat、QQ、Facebook、Twitter）
Battery capacitance: 100mAh Polymer lithium battery
Charging type: Magenetic charging
Memory: 7days motion record，23days total data record
Color: Black,Gray,red
Heart rate and blood pressure monitor:Open APP function,the bracelet will automatically measure heart rate blood pressure and blood oxygen.
Blood pressure and blood oxygen monitor:Built-in professional blood pressure module,more accurate measurement data,compared to other calculations by the virtual bracelet correction is reliable.