Android 2.3 7" MID * 3G Build-in, 3G call, SMS ... Support GSM/EDGE(2.75G)/GPRS(2.5G)/HSDPA(3.5G)/WCDMA.WIFI:Support. (IEEE 802.11b/g ... battery 4000mA; playtime: >7 hours with Wifi on.AC Adapter5V, 2.5AExternal I/O Slot3G SIM card ... slotMicro SD cardMicro USB Device (10 Pin USB)3.5mm earphone jackRESET Key, 4 Function touch Keys, ... .W.:8kg, G.W.:8.42kg.Accessories:AC adapter,Manual, earphone, USB cable