Specification: Material: Aluminum alloy Read parameters: BD-ROM: 6X BD-R: 6X BD-RE: 2X DVD-ROM: 8X CD-ROM: 24X DVD-RAM: 5X Burning parameters: 6X Blu-ray BD-R 4XBD-RDL BD-RE BD-REDL (Blu-ray rewritable disc): 2X DVD-R: 8x, DVD+R: 8x DVD-RW: 6x, DVD+RW: 8x DVD- RAM: 5XDVD+R DL 2.4X DVD-R DL2X CD-R: 16x, CD-RW: 10x Size: approx. 14.7*14.2*1.4cm/5.79*5.59*0.55in Weight: approx. 471g Package list: 1 * Disc Burner 1 * Data Line 1 * Charging Cable 1 * Instruction Book Note: 1. You can only burn CD/DVD/BDs. 2. When connecting the USB interface of the computer, you must use the cable that comes with the optical drive. You cannot use other auxiliary cables. The connection location is the interface on the back of the chassis to connect the desktop computer. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.