This smartwatch is compatible with all Bluetooth enabled android smartphones. The durable and Comfortable Waterproof Smartwatch is very light-weighted to wear. The soft watch strap is adjustable to fit different sizes. It is compatible with Android OS. Some unique features include heart rate monitor reminder danger zone, routine calculation, remote shut-off, remote monitor, alarm, call, message and so on to provide you with an excellent user experience. It is very easy to use due to its smart touch screen design. This brand new and high quality smartwatch is a great gift for your family and friends.