Bozlun YWK -P9 Professional Medical Smart Band 

APP Name: RaceFit Pro 

Distinguish-ability: 160*80
Flash Internal Storage: 64KB RAM + 512KB 
System Support: Android4.4 above，IOS8.0 above 
Master Control MCU: NORDIC nRF52832 
Heart Rate &Blood Oxygen Sensor: TI4410 
Heart Rate Sensor: OsramSFH7060 

Main Functions of the Band:

Blood Oxygen; Heart Rate Monitoring; Sleep Monitoring; Information Reminder

Alarm-Clock; Picture Taking; Alarm-Clock