Aluminium USB 3.0 Hub USB Splitter with 4 Ports In , you can mainly connect mouse, keyboard, USB flash drives, USB hard drives, printer, headphones, scanner, additional controller, backup media, game controller, external DVD drive, memory card reader, webcam, speaker, cell phone cable and camera etc. Wide Appliaction-USB male plug applicable to all laptops, desktops, , and cars with USB interface, to solve the problem of insufficient USB interface of your device. Support the simultaneous use of 7 USB female interfaces, which can connect USB flash drives, hard disks, printers,cameras and other devices to facilitate data transmission. Support 7 USB port work at same time Supports 7 USB ports to work at the same time, which solves the problem of insufficient USB ports on your computer or notebook, and also avoid repeated plugging and unplugging,protect the computer 039;s native interfaces. 5Gbps Super-speed Data Transfer The USB 3.0 interface supports 5Gbps super-speed transmission, which can transfer a 1G movie in 3 seconds, and supports fast mutual transfer of files between 2 hard drives, without for file transfer. Support mainstream systems This USB Hub Supports , 8, 7, Vista, XP, OSx 10.6-10.12 or later, Linux 2.6.14 or Later, Chrome OS, OS. LED Work IndicatorSoft Blue LED indicator informs you of working status. Aluminum Alloy Shell The shell is made of aluminum magnesium alloy with high texture, and its surface is frosted, beautiful in appearance and fast in heat dissipation Safeguard Built in intelligent management chip, with over-current protection and over-voltage protection, to that your device will not be damaged in us Reinforced Joint Integrated embedded connector, 4.5mm thick cable, bending resistance, wear resistance, service life. Color: Gray Material: aluminum alloy Package Contents: 1 x 7 Ports USB Docking Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.