PADCOD V8 smart watch is very cheap, but it has a lot of features such as pedometer, listening to songs, making phone calls, SMS reminds, APP information push, sleep monitoring, camera, sync phone calendar, Bluetooth call, in addition, you can also purchase a prepaid phone card which supports the bands GSM 850/900/ 1800/1900 MHz, usually T-Mobile's 2g network is OK, you can use your watch to make calls by installing a phone card and a mobile phone memory card.