A great smart watch for all the family, with a large screen size silicon strap and easy to change and make extra holes to fit kids. Main Features: Dialer / Bluetooth phone call (Bluetooth V3.0) Unlike most smart watches, the Z9 can independently make/receive phone calls with its own SIM card. Phonebook / call log / message / music sync Save time: access notifications quickly on your wrist using smartphone sync. Music playing With built in apps and on-board storage, enjoy your music on the go. Built-in camera Capture life’s moments with the built-in 0.3MP camera. 1.54 inch touch screen The 1.54 inch HD display delivers stunning clarity and color. Sleep monitoring Wear the Z9 at night to track and improve your sleep pattern. Pedometer As a fitness companion, the Z9 tracks your health measuring every step you take to help you achieve your health goals. Sedentary reminder Sometimes you just need a gentle reminder to stay active: Built-in motion tracking helps you to minimize sedentary times. Extra Features Sound recorder, alarm clock, calendar, calculator. Stainless steel watch case Premium stainless steel provides enhanced durability with a stunning gloss finish. Super soft rubber band The deluxe rubber material delivers a refined, comfortable fit on your wrist for extended wear. Pin buckle design Classic stainless steel pin buckle, convenient to wear and take off. Resolution: 240 x 240 pixels Watch length: 25cm Compatibility: Compatible with iOS and Android OS. Please note that some functions are not available for iOS.