Digital 466 x 466 pixels Yes 3.63 cm (1.43") AMOLED Yes Smartwatch 46 mm Black Black Fluoroelastomer Round 140 - 210 mm Single prong strap buckle Waterproof 5 ATM No No Android 10, Android 10.0, Android 6.0, Android 7.0, Android 7.1, Android 7.1.2, Android 8.0, Android 9.0, iOS 10.0, iOS 11.0, iOS 11.4, iOS 12, iOS 13, iOS 14.5, iOS 9.0, iOS 9.1, iOS 9.2, iOS 9.3 HarmonyOS 4 GB Yes Optical Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes China No Yes No No 5.2 Yes Lithium Polymer (LiPo) 455 mAh 336 h 2 h 45.9 mm 45.9 mm 1.1 cm 42.6 g 2.2 cm 120 mm 80 mm 120 mm 8423109000 91021200 55026956