... factory price 4. compact,lightweight, rechargable 1. usb mp3 speaker box for PC, IPOD and IPHONE2. privacy mould, ... rechargable5. 1000mA li-battery Features: 1. This usb mp3 speaker with SD/MMC card and USB slot, can ... a 3.5mm audio jack, including cell phones, MP3 players and computers. 3. Can manage files in ... 5. with strong bass sound 6. This usb mp3 speaker Can play PC files after connecting to PC ...