http://uk.transcend-info.com/Products/No-399

Features:

• Ultra-slim, sleek design with rounded edges ? just 13.9mm thick

• Compatible with CD-R/RW, DVD±R, DVD±RW, DVD±R DL, DVD-RAM media

• USB 2.0 interface for high-speed data transfer

• Reads and writes Dual Layer discs

• USB powered - No external power adapter needed

• Anti-slip rubber feet

• Includes free CyberLink Media Suite 10 media writing software download

• Specifications:

• Dimensions	142.8(L) x 148.0(W) x 13.9(H) mm
  Weight	246g
  Op. Voltage	5V
  Op. Temperature	5°C (41°F)~40°C (104°F)
  Drive Type	9.5mm internal, Tray-Loading
  Buffer Memory	1MB
  Average Seek Time	DVD-ROM – 190ms
  	CD-ROM – 190ms
  System Requirements	Desktop or notebook computer with two working USB ports One of following operating systems:
  	Windows XP
  	Windows Vista
  	Windows 7
  	Windows 8
  	Mac OS X 10.4 or later