FW01 1.28inch Color Screen Smart Wristband, Support Bluetooth Call Heart Rate Monitoring 1. Battery capacity: 200mAh 2. Waterproof level: IP67 waterproof 3. Bluetooth version : Bluetooth 5.0 4. Resolution:240*240 5. Charging method:charging stand 6. System: Android system 5.1 version or above,iOS system 9.0 version or above 7. APP name: DA FIT 8. Standby time: 20-30 days 9. Watch UI support languages: EnglishFrenchSpanishPortugueseItalianGermanRussianArabicSimplified ChineseTraditional Chinese Japanese Korean Ukrainian Function: 1. Bluetooth call,heart rate monitoring,blood pressure monitoring,blood oxygen monitoring 2. Step counting,distance,calorie 3. Sleep monitoring (sleep time, sleep quality) 4. Multi-sport modes:walking, running, cycling, mountaineering, football, badminton, basketball, table tennis, Rope skipping, tennis, yoga, swimming 5. Mobile app message notification:message,QQ, Wechat, Twitter, Facebook ,linkedIn,Skype,Whasapp,Line,Viber,instagram and other instant messages 6. Call reminder,bluetooth music,physiological cycle reminder,sedentary reminder 7. Breath training,drink water reminder,camera control,raise to wake screen,weather,stopwatch