Smart Watch - waterproof at a depth of up to 50m, monochrome display with optional customisation, mirrors your smartphone notifications (calling, SMS, e-mail, calendar, Facebook, Viber, WhatsApp, etc.), monitors your activity (steps, distance, sleep, calories burned), music control, alarm clock, Bluetooth 4.0, requires iOS 8.0/Android 4.4/Windows Phone 10 or higher, wrist circumference up to 20.5cm, 30-day battery life