Dimensions : 45.8 mm × 45.8 mm × 10.7 mm Display : (Size) 1.43 inches AMOLED color screen (Resolution) 466 × 466 pixels, PPI 326 Watch Case : Stainless steel System Requirements : Android 9.0 or later - iOS 13.0 or later Connectivity : (Bluetooth) 2.4 GHz, supports BT5.2 and BR + BLE Button : Home Button (Rotating Crown) and Side Button Color : Black - Brown