... calling & SMS 7 inch tablet pc 3g sim card slot with WIFI 3G GPS Bluetooth--Rm780 Operation ... HSDPA 3bands(900/1900/2100MHZ)Slot:1*TF card slot1* SIM card slot1* headphone slot2* USB slot1*DC ... frontG-sensorSupport,360 degree menu rotateSlot1*TF card slot,1*SIM card slot,2*USB slot,1*headphone ... right, a microphone hole, TF card slot and SIM card slot TF card and SIM card slot with details are protected ...