... flash mp3 player driver 1,OEM&ODM,different capacity are available. 2,100% real capacity 3,Logo customised 4,fast delive usb flash mp3 player ... driver1. Available Capacity: 128MB, 256MB, 512MB, 1GB, 2GB, 4GB, 8GB, 16GB.2. Interface: USB 2.0; 3. Operating ... 8.6 and above; 4. Transfer Rate: High Speed USB 2.0; 5. Data transfer speed: 15MB/s-21MB/s for ...