Dell Streak 7 4G Android Tablet-Worldwide T-Mobile and Any GSM Carrier-US Warranty (Black) Android 2.2-powered mobile tablet with 7-inch multi-touch display loaded with entertainment and multimedia apps Enabled for T-Mobile's ultra-fast 4G network; Pay as You Go with prepaid and monthly data plans Rear 5-MP camera for photos and video; front-facing 1.3-MP camera for video chats via Qik service Ultra-fast Wireless-N Wi-Fi (with Wi-Fi sharing); Bluetooth connectivity; 16 GB memory; microSD memory expansion; multi-format media player Up to 4 hours of video playback, up to 72 hours (3 days) of standby time; released in January, 2011