Ultra slim Design 3x USB 3.0 Typ A, 1x USB-C, 1x USB-C male cable Backward compatible to USB 3.0 / 2.0 / USB 1.1 Supports USB 3.1 Gen 1 standard (Thunderbolt 3 compatible) and high-speed data transfer rate up to 5 Gbps Support two memory cards at the same time: SD/SDHC/SDXC, microSD/microSDHC/microSDXC Compatibel with Mac OS / Windows / Chrome OS / Android / Linux Dimension: 324 x 29 x 10 mm (cable included) Color: Black Weight: 40g