Item Type: USB3.0 Card Reader_x000D_ Material: Aluminum Alloy_x000D_ Model: 8107_x000D_ Color: Grey_x000D_ Input: 1 x USB3.0 Male Connector_x000D_ Output: 2 x USB3.0 (Female), Memory Card Slot, CF Card Slot_x000D_ Support System: Compatible with for Windows,for Linux,for Vista,for OS X Operating Systems1Two way transmission, plug and play, compact and light, occupying a small space, convenient to carry when going out. 22 USB 3.0 ports support up to 5Gbps transfer rate, can connect mouse, keyboard, hard disk, etc. 3Using aluminum alloy casting, good heat dissipation effect, and fast heat dissipation speed, anti margin printing. 4High compatibility, compatible with a variety of USB3.0 devices, no application driver, various memory cards, CF cards. 5Support read data speed up to 104MB/S, support for Windows,for Linux,for Vista,for OS X operating system.1 x_x000D_ _x000D_ USB3.0CardReader 1 x User Manual