Sony Ericsson Xperia pro MK16A Android Unlocked Smartphone with 3G, QWERTY Keyboard, Touchscreen, 8 MP Camera, Wi-Fi, and GPS--U.S. Warranty (Black) 3.7-inch TFT LCD display Unlocked quad-band GSM cell phone with US/International 3G plus GPRS/EDGE connectivity (not compatible with CDMA carriers like Verizon Wireless, Alltel and Sprint); Android 2.3-powered smartphone with brilliant LED-backlit, slide-out QWERTY Smart Keyboard, and 1 GHz processor 8.1-MP camera with HD 720p video capture; Wireless-N Wi-Fi networking; Bluetooth stereo music; GPS navigation; 1 GB memory; microSD expansion Up to 7 hours of talk time, up to 400 hours (16.67 days) of standby time; released in March, 2011 What's in the Box: handset, rechargeable battery, USB/wall charger, USB cable, wired stereo headset, quick start guide 3.7 inches capacitive touchscreen. QWERTY keyboard Unlocked quad-band GSM cell phone with US/International 3G plus GPRS/EDGE connectivity (not compatible with CDMA carriers like Verizon Wireless, Alltel and Sprint) Android 2.3-powered smartphone with brilliant LED-backlit 3.7-inch multi-touch display, slide-out QWERTY Smart Keyboard, and 1 GHz processor 8.1-MP camera with HD 720p video capture; Wireless-N Wi-Fi networking; Bluetooth stereo music; GPS navigation; 1 GB memory; microSD expansion Up to 7 hours of talk time, up to 400 hours (16.67 days) of standby time; released in March, 2011 What's in the Box: handset, rechargeable battery, USB/wall charger, USB cable, wired stereo headset, quick start guide Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.