Samsung S7550 Blue Earth Unlocked Quad-Band Phone with 3MP Camera, Bluetooth, Wi-Fi and microSD Slot--International Version with Warranty (Ocean Blue) 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 cell phone compatible with GSM 850/900/1800/1900MHz and 3G HSDPA 900/2100MHz frequencies plus GPRS/EDGE data capabilities. 3.15 MP Camera, 2048x1536 pixels with Video recording;Front Facing Camera for video call;GPS with A-GPS support;Wi-Fi 802.11 b/g;microSD, up to 16 GB and Bluetooth v2.1 with A2DP. Solar panel for battery charging;Eco Walk app, Eco mode profile;MP3/MP4 Player;Find Music recognition service;Accelerometer sensor and SMS, MMS, Email, RSS reader. Talk time up to 9 hours - Standby up to 550 hs.