With Slots: USB3.0*2, TF Card Slots*1, SD Card Slots*1 Data transmission to 5Gbps Max Read Speed: DVD-ROM:8X,CD-ROM:24X Max Write Speed: CD-R:Max.24X, CD-RW:Max.16X, DVD-R:Max.8X, DVD-: Max.4X, DVD RW:Max.6X,DVD + R:Max.8X, DVD +R DL:Max.4X, DVD +RW:Max.8X; for 11 10/Linux/ OS [Multifunctional Design]This external CD/DVD player is not only a CD and DVD reader, but also a CD/DVD burner, writer, rewriter and many port hub(2 USB-A Ports, 2 TF/SD Card Slots).You can use a corresponding media player/ burning/ ripping software to play / , burn mp3 music, video, photos, and files to blank CDs or , import video, photos from camera to your computer, install software, system, games, and everything else related to CD/DVD. If the dvd driver can't be recognized by computer or it can' well: (1)The SD card slot and TF slot can not be used simultaneously ; (2) your cd/dvd is placed well and not scratched ; (3)If your devices don't have enough power to support the external drive, it is better to use the external power adapter to increase the power and more stable work (The package includes the DC charging cable) ; (4)Make sure your computer has a driver before using the external drive. Note: 1.Not support for Blu ray disk, , tablets, car, smartphone, projector, PS 5, , Switch, Chrome OS. 2.The DC power port is for charging only. Color: Black Material: plastic Package Contents: 1*External CD/DVD Drive 1*DC Power Supply Cable Only the above package content, other products are not included. Note: Light reflection 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.