Ultra HD Smart watch "wireless charging" "Infinite Full display" "aluminum case" 2.09 HD display Heart rate measurement Sleep detection Sport mode Bluetooth call Language MULTI Condition New Dial Shape Square Ideal For Men & Women Rechargeable Battery Yes SizeFree Strap ColorBlack Strap MaterialSilicone, Nylon Water ResistantYes OS AND PROCESSOR Operating SystemAndroid & iOS TECHNICAL DETAILS BluetoothYes Bluetooth Version0.5 SensorHeart Rate Monitor Step Count Multiple sports Features SPECIFICATIONS Call FuctionsYes Calorie CountYes Display Size 49 mm Step Count