Burn more discs in less time with 8x DVD-Max writing speed. It provides superior DATA protection with M-DISC support. As a disc is being read, Silent Play technology automatically controls the disc read speed for optimal noise reduction. The Jam-less play function of the writer, can help prevent those errors during the playback. This slim portable drive is powered through a USB port without needing an AC adapter or electrical outlet. It has Buffer Under-run prevention function embedded. The data buffer size of the writer is 0.75 MB. It comes with 1 year manufacturer warranty. Ebay also provides free home delivery as well as cash on delivery on this product.