Sony Ericsson Xperia Play R800i Unlocked Phone and Gaming Device with Android OS and Slide-Out Gamepad 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) 3G-enabled, Android 2.3-powered PlayStation gaming smartphone with slide-out game controls, and 4-inch multi-touch screen 1 GHz processor; Wireless-N Wi-Fi networking; Bluetooth connectivity; GPS navigation; 5-MP camera with HD 720p video capture; Up to 7.7 hours of talk time, up to 400 hours (14.5 days) of standby time; released in March, 2011 What's in the Box: handset, rechargeable battery, charger, USB cable, 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.