- ✓ Package already contains 2 X USB A to A Cables. Built-in ESD Protection. Superior ESD Protection. 12 months Trouble Free Warranty, and lifetime 1 to 1 customer service. - ✓ Micro USB port for additional power requirement when connect to more devices of higher power consumption, such as HDD, Printer and Scanner, then could be powered through the port via adapter. It will ensure more stable connection. , ✓ supports One-button switch between 2 computers with LED indication. Great compatibility with Windows 10/8/8.1/7/Vista/XP and Mac OS X, Linux and Chrome OS. This USB3.0 switch can be powered by any USB HOST port. ✓ transforms one of your computer’s USB ports into four . Printer sharing reduces office costs and space. Wildly supports Keyboard/Mouse/external hard disks/4K high resolution webcams, camcorders/digital video cameras and more. Backward compatible with USB 2.0 and USB 1.1 devices. . | - . ✓ allow 2 users to share 4 USB 3.0 peripheral devices make the date transfer rate up to 5Gbps without the need to constantly swap cables or set up complicated network sharing software. It's a great for use at office or home if you need to switch between computers.