IDEAL K8 Watch 3G WCDMA MTK6572 Smart Watch Webcam Wifi FM Camera(Silver) Network Support: GSM/GPRS/EDGE/WCDMA, 2G GSM: 850/900/1800/1900MHz,3G WCDMA: 850/2100 MHz Dial,hands-free,phone records, phone book, Text messaging on mobile phones synchronous push by bluetooth(need to install mobile client application app)