Blu D100b Tango GSM Quad-Band Phone with Android OS 2.2, Wi-Fi, GPS Navigation, Bluetooth and MicroSD Slot - Unlocked Phone - US Warranty - White This unlocked cell phone will work on GSM carries like AT&T and T-Mobile. Not all carrier features may be supported. Unlocked Quad-Band GSM cell phone compatible with 850/900/1800/1900 MHz and 3G HSDPA 850/900 plus GPRS/EDGE capabilities. Android OS, v2.2 (Froyo) 3.15 MP Camera with 2048x1536 pixels and Video Recording; Wi-Fi 802.11 b/g; 512 MB internal storage, 256 MB RAM; Qualcomm MSM7227 600 MHz processor and GPS Navigator with A-GPS support. Access to Android Market (over 100.000 apps); Stereo FM radio with RDS; 3.5 mm audio jack; Bluetooth v2.1; Digital Compass; Accelerometer sensor for UI auto-rotate; TFT touchscreen; Email, Push Email, IM; Media Player and microSD slot, up to 16GB. Talk time up to 12 hours - Standby up to 500 hs.