Blood Oxygen Monitor bluetooth 4.0 0.66" OLED display health wristband with pulse rate monitor

Blood Oxygen Monitor bluetooth 4.0  0.66" OLED display health wristband with pulse rate monitor

Function list:

* NRF51822 chip
DI5115 sensor ( Heartrate, Pedometer, blood oxygen in one chip )
* 0.66" OLED display screen
* BT4.0 *
* viberate reminding: income calling, Alarm reminding,SMS
* Pedometer, sport distance, sport time, calorie test, Sleep time,
find phone, remote camera control
* heart rate and blood oxygen information.
* support IOS7.0 and Android4.4
* App: Ylesmart
* 110mAH battery * Charging method:USB charger
Charging voltage:DC 5V
color:Black,white, Rose red, Blue