Gowegroup Mini USB Port GWE-2288881 Ordinary version, can connect to the usb device and transmit data. Compatible with your Windows, Mac OS or Linux systems. 1 USB hub with 4-port, 2 Fully compatible with the Universal Serial Bus Specification version, Supports 480Mbits full speed 3 Perfect for connecting USB mice, USB printer, USB scanner, USB Portable Hard Drives, USB CD-R/RW or DVD-ROM drives and USB 1.1 hubs 4 Plug & Play and hot swapping support, 5 Light weight and earsily portable, Connect to the usb device and transmit data. Can't use to charge other device