Elsse (TM) 4.3 Inch Internet Touchscreen Tablet with Built in WIFI and much more 4.3 Inch Large High Definition LCD Touch Screen - built in Micro SD Card Slot Android 2.1 OS with built in Apk app installer for virtually unlimited expand-ability WIFI: support 802.11b/g Built in rechargeable Battery - 6-8 hours for music / 2 - 3 hours for video, web or other apps Less than 8 oz in weight and 1 inch in thickness.