Screen：1.39 inch AMOLED Color Screen, 454 x 454 pixels, 326 PPI
Battery capacity ：455 mAh
46mm Net Weight &Size; About 41g(Without Strap); 45.9*45.9*10.7mm
Feature：Heart rate monitoring，Blood Oxygen
Feature：Sleep tracking
Feature ：Support GPS
Feature ：5ATM Waterproof
Feature ：100 workout modes
Feature ：14-day long battery life
Feature ：Bluetooth calls (make, answer, reject, and hang a call)
Feature ：Music
Weight ： Approx. 41 g (without the strap)
