bt670 Multi-Function External Optical Drive DVD Burner Writer with SD TF Card Slot •Versatile Hub Interface: Features 4 USB ports, 1 SD card slot, and 1 TF card slot (supports reading up to 1TB), providing comprehensive connectivity options for various devices •High-Speed Data Transfer: Equipped with USB 3.0 and Type-C interfaces, offering fast data transfer speeds and ensuring seamless compatibility with USB 2.0 and 1.0 devices •Efficient Reading and Burning: Supports high-speed reading with CD-ROM at 24X and DVD-ROM at 8X, as well as burning capabilities with DVD+R and DVD-R at 8X, providing reliable performance for your disc-related tasks •Dual-Layer Disc Support: Capable of burning dual-layer DVDs (DVD+R9 and DVD-R9) at 6X speed, accommodating larger data volumes with ease •Wide Compatibility: Compatible with various operating systems, including Windows 98SE/ME/2000/XP/Linux/for Mac OS/Windows 7, 8, 10, and 11, offering versatile usage options for different platforms Specifications: •Hub Interface: 4 USB ports, 1 SD card slot, 1 TF card slot (supports reading up to 1TB) •Interface: USB 3.0 (compatible with 2.0 and 1.0) + Type-C interface •Reading Speed: CD-ROM 24X, DVD-ROM 8X •Writing Speed: •DVD+R 8X, DVD-R 8X •DVD+RW 8X, DVD-RW 6X •DVD+R9 6X (DL, Dual-layer, i.e., double layer 8.5G writing) •DVD-R9 6X (DL, Dual-layer, i.e., double layer 8.5G writing) •DVD-RAM 5X •CD-R 24X, CD-RW 24X •Cache Size: 2MB •Plug and play: no driver installation required (except for Windows 98SE system) •Operating system: Windows 98SE/ME/2000/XP/Linux/for Mac OS/win7, win8, win10, win11 •Supports DOS boot (for booting/installing operating systems like XP) Package included: •1 x DVD Burner •1 x Power Cable •1 x English User Manual •Other things not included