Item Type: USB3.0 Card Reader Material: Aluminum Alloy Model: 8107 Color: Grey Input: 1 x USB3.0 Male Connector Output: 2 x USB3.0 (Female), Memory Card Slot, CF Card Slot 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 USB3.0CardReader 1 x User Manual