CELL PHONE SMARTPHONE TOUCH SCREEN UNLOCKED ANDROID GSM MOBILE IPRO A3 BLACK Operating System: Android OS 4.2.2 Jelly Bean, Multitouch 4.3'' Inch 2G Network Universal 4 Band GSM: 850/900/1800/1900MHz , Bluetooth v3.0 3G Network, Wcdma: 850/1900 Mhz, Support Wireless internet -WI-Fi- Internal Memory ROM: 512MB, RAM: 256MB, ONE Camera: Back 0.3MP Dual -Core Processor, Support Google Navigation-GPS-, A-GPS