Yuntab K03 7 Inch,Quad Core Android 4.4,Unlocked Smartphone Phablet Tablet PC,8G ROM,HD 800x1280,Dual Camera,WiFi,Bluetooth,USB,Support 3G,SIM Card 3G Phablet, SPEADTRUM 7731 Android 4.4 quad core: Support SIM card, 3G 850/2100, 2G 850/ 900/ 1800/ 1900. The 7 inch IPS Display with 1280*800p will never miss any detail. ROM 8G EMMC, better than 8G Nand flash, allows faster read-write speeds/ Built-in Bluetooth allows pairing with Bluetooth devices. It even could power up other device via the Standard USB port. Assured Customer Service: on-time customer service/tech support. Feel free to contact us whenever a question pops up in your head, we are always here to help.