Advantage:Brand 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: ABSUSB Port Number: 4Main Color: BlackTransport Interface: USB3.0Transmission Rate: USB 3.0 port up to 5GbpsOperating system: Win95/98SE/Me/2000/XP/7/8/10/vista, Linux, Mac OS 8.5 and above.Power Supply: USB 5V/600maExternal Power Supply: 5V/1.5A-2AUsage Temperature: 0 -70Storage Temperature: 10 -90Cable Length: 15cm / 5.91inchSize: 7.5*4.0*1.0cm / 2.95*1.57*0.39inchPackge Content: 1~15 X 4 Ports USB HUB 🚩Buyer's Note: Please allow 1-3mm（0.039in) differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. If you have any questions , please feel free to contact us. Your comment is very important to us, please don't give us a negative feedback, we'll solve all your problems, thank you for your support. You could contact me directly if you need wholesale, we will give you the best price. Thank you for your purchase!