Y13S 1.69 inch Color Screen Smart Watch, IP67 Waterproof,Support Bluetooth CallHeart Rate MonitoringBlood Pressure MonitoringBlood Oxygen MonitoringSleep Monitoring About Product 1. Battery capacity: 160mAh 2. CPU:PHS6620DBK6623 3. Bluetooth version : Bluetooth 4.2+5.0 4. Charging mede:Charging with charging cable 5. Resolution:240*240 6. System: Android system 5.0 version or above,iOS system 9.0 version or above 7. APP languages: Chinese, English, Spanish, French, German, Russian, Arabic, Dutch, Portuguese, Arabic, Turkish, Japanese, Malaysian, Thai Function 1. Bluetooth call,heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step,distance,calorie 3. Sleep monitoring (sleep duration, sleep quality) 4. Multi-sport modes:rope skipping,run,situp,table tennis,basketball,badminton,mountaineering etc. 5. Social APP message reminder:WeChat,QQ,Facebook,Twitter,Line,Whatsapp,Instagram 6. Call reminder,SMS alerts,alarm clock reminder,sedentary reminder,turn the wrist and shine the screen 7. Looking for bracelets,looking for phones,remote photography,rejection of calls,do not disturb,multi-dial switching