Newsunshine AN1 Android 4.1 Dual Core 2.0 Inch Touch Screen Smart Watch Cell Phone Watch Mobile Phone 2.0 MP WiFi FM GPS Band: GSM 850/900/1800/1900MHz CPU MTK6515, Cortex A9, 1.0GHz; GPU: PowerVR SGX 531 AT&T, T-Mobile and All other GSM carriers Sim Cards are OK Small and comfortable to take and use Good quality and fashional design