... . factory price 4. compact,lightweight, rechargable 1. Mobile speaker for mp3 PC, IPOD and IPHONE2. privacy mould, 3. factory good price4. compact ... . SD/MMC card and USB flash disk support, can play MP3 ,WMA format music files. 2. Suitable for devices equipped with ... a 3.5mm audio jack, including cell phones, MP3 players and computers. 3. Can manage files in U disk ...