Patent Design Health Watch *Screen:2.1inch TFT HD glass *Resolution:320*390 pixels *Battery Capacity: 380mAh *Chip:RTL8763EWE *Waterproof grade:IP67 *Material: Zinc alloy +IML bottom shell *Multiple menu mode *Bluetooth Call Color:Black/Orange/Grey/Silvery APP Name: Da Fit 1.Health monitoring:Heart rate, blood oxygen ,pressure,Sleep,Female health.Weather information. 2.Multiple exercise modes:Counting steps, Exercise time, Exercise mileage, Calorie , uploading APP to save exercise sleep data 3.Push notifications:Phone,Message,WeChat ,QQ,FacebookTwitter,Instagram,Skype,WhatsApp,Line,Kakaotalk,Gmail,Messenger,Zalo,Telegram,Viber,Nate On.