Dell Streak 7 4G Android Tablet (T-Mobile)

See detail @ http://www.amazon.com/gp/product/B005NIY352?&tag=externalharddrives0a-20 The Dell Streak 7 weighs 17.6 ounces and measures 7.9 x 4.7 x 0.5 inches. Its 2780 mAh lithium-ion battery is rated at up to 4 hours of continuous video playback, and up to 72 hours (3 days) of standby time. It runs on the 850/900/1800/1900 MHz GSM/GPRS/EDGE frequencies, as well as T-Mobile's 3G/4G network (1700/2100 MHz; UMTS/HSDPA/HSPA+).