New Personalized Design -- Equipped with New Double Interface Design Type-C+USB3.0, provide you with the widest compatibility and the best movie experience on your computer. Enjoy real-life clarity with Near-4K quality (does not play 4K Ultra HD discs). Pls plug in the power cable when using it, in case the optical drive was broken as insufficient power supply.^ The Stablest Speed for Blu-ray Dvd Drive -- external bluray dvd reader is equipped with Type-C and USB3.0 high speed interface, up to a maximum of 5Gbps and stable performance with strong fault tolerance. which far faster than traditional USB2.0(480 Mbps). USB3.0 also backwards compatibles with USB 2.0 and USB1.0.