A useful companion for those on-the-go. This lightweight and ultra-slim USB DVD Writer drive, weighing only 0.4 pounds, is powered only via USB and supports all common DVD and CD formats. Lite-On has incorporated Smart-Burn and Smart-X technology for higher-quality writing as well as the reduction of noise and vibration. It can write 8.5GB of data on a double-layer disc, which can comes out to four hours of MPEG-2 video, 1,000 songs, or 7,000 photos on a single disc.