... computer. 5.Powered only by the USB port, no external power required. 6.Read & Write all CD and ... and USB 1.1.Specification : 1.Type : external Blu-ray DVD burner 2.Speed:4x maximum read ... Buffer Size : 2 MB, Buffer Underrun Protection : Yes, Enclosure Type : External 8.Width : 5.3 in (135mm), Depth : 5 ... 300g 10.Warranty:one year Package contents: 1.USB External Blu-ray DVD burner, 2.USB data Cable , ...