About Product 1. Battery capacity: 200mAh 2. Waterproof level: IP67 waterproof 3. Bluetooth version : Bluetooth V4.0+V3.0 4. Resolution:320*320 5. Charging method:Magnetic charging 6. System: Android system 5.0 version or above,iOS system 10.0 version or above 7. Standby time:about 15 days 8. Usage time:about 3-5 days 9. APP:M2wear 10. Watch support languages:English, French, Italian, Spanish, Arabic, German, Polish, Portuguese (Brazil), Malay, Czech, Turkish, Russian, Greek, Persia Czekh Hebrew 11. APP support languages:Simplified Chinese, Traditional Chinese, English, Arabic, Czech, German, Spanish, French, Croatian, Indonesian, Italian, Hebrew, Japanese, Polish, Portuguese, Russian, Thai, Turkish, Finnish, Korean, Dutch, Greek, a total of 22 languages 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:Runingwalkingfootballbadmintonhikingbikingbasketballpingpong 5. Bluetooth music control,call reminder,SMS alerts,alarm clock reminder,sedentary reminder,turn the wrist and shine the screen 6. Social APP message reminder:WeChatQQFacebookTwitterLineWhatsappInstagram 7. Looking for bracelets,looking for phones,remote photography,multi-dial switching