Amazfit Active 3 Premium Fitness Smartwatch.

Display: 1.32′′ amoled, 466 x 466 resolution, sapphire glass. brightness: up to 3,000 nits peak brightness. frame material: premium stainless steel. navigation: dual-band circularly-polarized gps (6 satellite systems). storage: 4gb for music and offline maps. water resistance: 5 atm (swim-proof up to 50 meters). sensors: biotracker ppg, barometric altimeter, gyroscope, temperature. battery: 365 mah (12 days typical / 7 days heavy use). connectivity: bluetooth 5.3, ble, zepp app (android 7.0+ / ios 14.0+).