MthsTec USB 3.0 External Blu-Ray Player and DVD Burner Combo Drive High speed.Capture all the excitement of Blu-ray with the 6x BD-ROM reader that offers for smooth playback. Plus, burn more discs in less time with 8x DVD-Max writing speed External - Connects via USB 3.0,up to 10 times(5Gbps) faster than USB 2.0 (480 Mbps).USB bus-powered. No AC adaptor required.No driver needed,Plug and play. ODD & HDD Interchange Enclosure..With a 3.5 * 1.3mm power-up DC port. 50 days money-back for Any reason. Adopt high quality inner mechanisms like Panasonic,LG,Pioneer, etc(Vary with the batch). Play in peace,Through rigorous testing,ensure a more durable and better performance than other similar products at a lower price Super Multi Compatibility.Supports 3D Blu-ray Disc playback,Read Blu-Ray DVD CD & write on CD DVD NOTE: 1Download and run Cyberlink BD&3D Advisor to test your computer and software, it will tell you whether them meet the product's requirements or not.. 2We strongly recommend use professional software to play this product, such as PowerDVD and Macgo Blu-ray Player. 3Check whether you use two cables together, this is to ensure the product has enough power supply.Use additional USB power adapter if needed. 4Test the product on another computer to make sure the problem is cause by product defective or something else.