... price 3,Factory directly salely 4,OEM acceptable good quality portable power source Specifications Mopo Cube:1.LED ... ,PDA,PSP.MP3.MP4,ipad,ipod,DV and etc at any time.About UsBYZ as the leading earphones ... and headphones manufacturer in China, we have 3 factories ... USB charger etc. We own 2 brands "BYZ" and "Tonzhiyin" good quality portable power source