7-in-1 Multifunctional Design: Built-in 4 USB3.0 ports, 1 SD and TF card reader, supporting fast data reading from SLRs and digital cameras, reading data from USB flash drives, and charging mobile phones to meet your diverse needs. Wide Compatibility: Suitable for desktops, laptops, and all-in-one devices. USB plug-and-play, no driver installation required, compatible with various operating systems. Convenient Interface Design: USB 3.0 and TYPE-C interfaces are connected with the same cable, eliminating the hassle of switching interfaces for a more convenient user experience. Multi-System Compatibility: Compatible with multiple operating systems such as Mac OS /WIN98 /SE /ME /2000XP /WIN7 /WIN8 /WIN10 /WIN11. Lightweight and Ultra-Thin Design: Ultra-thin body, only 1.5 cm thick, super lightweight, and easy to carry. Multi-Scene Usage: Not just an ordinary optical drive, but also a mobile external DVD Blu-ray optical drive for burning and reading CDs, DVDs, and BDs, suitable for various scenarios. Specification: Installation: Plug and play, no driver needed Data Interface: USB3.0+TYPE-C Burning Function: Supports CD/DVD/BD burning Expansion Interface: SD*1; TF*1; USB3.0*4 Error Correction Function: Supports error correction Installable System: WIN7/WIN8/WIN10/WIN11 etc. Supported Systems: Mac OS/WIN98/SE/ME/2000XP/WIN7/WIN8/WIN10/WIN11 Burning Speed: CD-R 24X/CD-RW 24X/DVD-R 8X/DVD+RW 6X/ DVD-RAM 4X/DVD-9 4X Reading Speed: CD-ROM 24X/ DVD-ROM 8X/ DVD-9 6X/ DVD+RAM 4X