Riin 4gb 7-inch 2g/3g Calling Tablet Phone Android 4.1 Mtk6572, 1.0g Hz Dual-core Cpu 512mb Ddr3 Support GPS Bluetooth Color White Support 3G Calling,dual sim card dual stand,you can use this tablet as a mobile phone Support GPS,can be used as a GPS navigation Bluetooth for high-speed data transferring and hands-free access to calling 5-point capacitive touch screen for convenient operation; Playback 720P, 1080P HD video 7 inch screen Android 4.1 MTK6572 Dual-core 4GB Tablet Phone Supports 3G, call, SMS, Bluetooth, GPS, WiFi,dual camera