Specification:

Screen Size:0.87 OLED

Bluetooth: 4.0 Version

Battery:70 Mah Li-Polymer

Stand By Time:5-8 Days

Charge Voltage:5V

Charge Time:About 1 H

Strap Material:TPU

Color:Black, Blue, Red

System Compatibility: Android 4.4 And Above Or Ios 8.0 And Above

Waterproof And Dustproof: lifestyle waterproof (not for swimming & bathing)

Memory: 32K RAM+256K ROM

Chipet: Nordic Nrf51822

Heart Rate Sensor: Kionix KXTJ2-1009 PD70-01C-TR7

Features:

1. BP test, heart rate monitor pedometer
2. Calories, mileage message push, arrhythmia
3. Sleep monitor, call alert, lifestyle waterproof (not for swimming & bathing)
4. Time display, alarm
5. Bluetooth 4.0