BT668 Readable TF / SD Card USB Multi-Function CD Disc Player External Optical Drive DVD Burner

1. Plug and play without driver installation (except Windows98SE system)2. Compatible with Windows98SE/ME/2000/XP/Linux/Mac OS/win7,win8,win10, and win11 operating systems3. Support DOS boot (boot load XP and other operating systems)4. Full-featured, read and burn speeds are the higher of the external optical drivesSpecifications:1. Hub interface: 2 USB ports, 1 SD card slot, 1 TF card slot (maximum support for reading 1TB)2. Interface: USB3.0 (compatible with 2.0 and 1.0) + Type-C interface3. Reading: CD-ROM 24X, DVD-ROM 8X4. Burning:DVD+R 8X, DVD-R 8XDVD+RW 8X, DVD-RW 6DVD+R9 6X(DL, Dual-layer, i.e. plus dual-layer 8.5G burning)DVD-R9 6X(DL,Dual-layer, i.e. minus dual-layer 8.5G burning)DVD-RAM 5XCD-R 24X, CD-RW 24X 5. Cache size: 2MB