Advantage: New, made of high quality material. Plug and play, no device driver required for Hub installation. Independent switch, no need to unplug. Supports super faster data transfer up to 480Mbps/5Gbps, which allows you to transfer HD movies or files in just seconds.  Built-in over-current protection to protect both connected devices and the hub itself from unforeseen power surges. Compatible with Windows 10/8/8.1/7 / Vista / XP and Mac OS X, Linux and Chrome OS. Through the LED indicator,you can easily monitor the connection condition. Flexible cable can extend the hard-to-reach USB ports on your desktop to your desired location, which making it a nice choice for desktop. Ideal connection for hard disk drives, digital cameras, scanners, printers, external CD/DVD,flash memory drives,mouse,keyboard and etc.   Specifications:  Product Name: 4 Ports USB HUB  Material: ABS USB Port Number: 4 Main Color: Black, White Transport Interface: USB3.0 Transmission Rate: USB 3.0 port up to 480Mbps; USB 3.0 port up to 5Gbps Operating system: Win95/98SE/Me/2000/XP/7/8/10/vista, Linux, Mac OS 8.5 and above. Power Supply: USB 5V/600ma External Power Supply: 5V/1.5A-2A Usage Temperature: 0 -70 Storage Temperature: 10 -90 Cable Length: 15cm / 5.91inch Size: 7.5*4.0*1.0cm / 2.95*1.57*0.39inch   Packge Content:   1 X 4 Ports USB HUBBrand- new and high quality. Portable size, Compact, light weight design. Plug and play, no driver installation required. Fully compliant with USB 3.0. Supports data transfer rate up to 480Mbps/5Gbps. Expand 3 USB ports supply up to 500mA current per port. Use high performance electronic part to ensure stable product operation. Support downstream wrong signal detection and revert to normal function. Power consumption, low operating temperature so solts and slots without interfere with each other. Allows simultaneous operation of up to 3 separate devices all attached to a single USB port. USB A male connector can be rotated 180 degrees, easily meeting users orientation angle demands. Supports Win ME/ Vista/ XP/ 2000/Win 7 MacOS 10.4.5/ Linux 2.4.1 and so on. The product is suitable for U disk, card reader, USB mouse, USB keyboard, scanner, digital camera. Specifications: Color: Black, White Hub Interface:3.0 USB 3.0 Hub Interface: 1*USB 3.0 + 2*USB 2.0 Transmission Rate: USB 2.0 port up to 480Mbps; USB 3.0 port up to 5Gbps Operating system: Win95/98SE/Me/2000/XP/7/8/10/vista, Linux, Mac OS 8.5 and above. Power Supply: USB 5V/600ma External Power Supply: 5V/1.5A-2A Usage Temperature: 0 -70 Storage Temperature: 10 -90 Size: Approx. 55*20*18mm / 2.17*0.79*0.71inch Package included: 1 x USB Hub Note: Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.Thanks!