TTfone Venus 2 (TT31) Big Button Flip Mobile Phone - Dual Screen, Bluetooth, Folding, Camera, Unlocked, SOS Button - Black - with free Dock Huge 2.4 inch QVGA Screen - Bluetooth Flip Folding design - Avoids making accidental calls in your pocket Dual Screen Big Buttons - Charging Dock Unlocked - Please note this phone will not work on the Three network as it is not 3G 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.