1. Expand two USB2.0 ports through the mPCI-E card slot, which is very suitable for connecting mini USB devices 2. This product is a desktop PCI-E expansion card, which requires a MINI PCIE slot free on the motherboard to install and use 3. Support full height 4. Extend 2 USB2.0 ports via built-in 5PIN/1.0 socket 5. Scope of application: suitable for motherboards or laptops with MINI PCIE interface Name Product Description: MINI PCI-E to USB2.0 Dual Port Expansion Card Product Model: MPCIE2U-F01 Interface: Front 19Pin Main Control: FE1.1S Data Transmission Speed: 500 (MB/s) Support Interface : MINI PCI-E Line length: 0.3 (m) Support system: WinXP / Vista / Win7 / Win8 32-bit / MAC 10.8 64-bit and above color: black + blue Material: PCB + metal Package Contents : 1 x USB2.0 extension card 2 x data cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The allowable measurement error is +/- 1-3 cm.