Lizusidtsy Plug and Play: USB power supply directly, no external power adapter and driver required. Simple installation. Just plug it in and ready to go. Intelligent power saving, automatic sleep mode for reducing the power loss of the hard disk. This portable drive case with USB interface can be used to assemble a mobile USB optical drive, for installing CD drive, CD burner drive, DVD drive, COMBO optical drive, DVD burner drive, easy assembly, plug, and play. It is light and convenient to carry, an indispensable partner for your laptop. Package Size: 190 x 165 x 45mm / 7.5 x 6.5 x 1.8in colour: black Material: ABS Package Contents: 1 x Optical Drive Case (NOT included optical drive) 1 x Circuit Board 1 x Front Panel 1 x USB Data Cable 1 x USB Charging Cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.