Color Black Material: ABS Interface: USB 3.0 – 5Gbps Speeds Backward Compatible: Yes – USB 2.0 / USB 1.1 Dimensions: 3.7″ x 2.0″ x 0.6″ Use: Plug and Play Cable Length: 2.0FT Supports: Micro SD, SD, XS, CF, M2, MS, TF Compatible Operating System: Windows / Mac / Linux Chipset: GL3220-LQFP128PIN