usb flash mp3 player driver 1,OEM&ODM,different capacity are available. 2,100 ... capacity 3,Logo customised 4,fast delive usb flash mp3 player driver1. Available Capacity: 128MB, 256MB, 512MB, 1GB, 2GB, 4GB, ... 11. Plug-and-play; No external power supply required, USB bus powered. 12. Provide OEM service, logo printing, data preload, ... USB flash drive with protection switch usb flash mp3 player driver