Detailed Product Description SK520: confortable feeling mobile phone Primary Competitive Advantages:slider cell phone with 2.2 inch screen, Quad-band, ... Multimedia MP3,MP4, Key Specifications/Special FeaturesSK520, slider Cell Phone, 2.2 inch screen, Ultra thin, Quad-band ... Point and HOT spotQuad band phone: GSM850/900/1800/1900MHz Dual card dual standby, long standby time,support Music shake sensor, ...