Product: Model M3C
Master Chip: Telink8266
Sensor: RT3000
PPG chip: EM7028
Virbation Loundspeaker Mute/Vibration
Waterproof Level: IP68
Compatible System: Above Android 4.4/IOS 8.0
Special Features :Blood Pressure,Heart Rate,Blood oxygen
HD 0.96'' color screen
Message sync with cellphone
Heart rate monitor,blood pressure and blood oxygen monitor,sleep monitor.
Environmental comfort TPE band
Palming bright screen
WR009
Y7 
S7
M3C
S5
Y5
S2