Features: 1. No external power adapter required,so you can read CD-ROM, CD-R and CD-RW media in a completely mobile environment 2. USB connectivity also offers easy installation to desktop and notebook computers Low power requirements - Minimal battery drain while the power is supplied by the USB port--no external power adapter required 3. It"s super slim, lightweight, sturdy and attractive 4. USB Portable CD-ROM Drive is built to travel easily and maximize desk space 5. It connects to your computer via a USB cable. Because the USB cable also supplies power to this device, so no external power supply is required 6. Plug and Play, hot pluggable, and hot swappable features make this device convenient and easy to use External CD-ROM Drive 7. 24x maximum CD read speed 8. USB interface, USB 1.1/ 2.0 compliant 9. Data transfer rate up to 1.67 Mbytes/sec(max) when read/write the USB storage device 10. Win 98SE/ME/2000/XP/Vista compatible