【Function Switching] Click the button, the LED light will switch,you can easily control two computers,Sharing 4 USB peripheral devices. 【Plug and play】 Easy to use, no need for any drivers, just plug in and use. Button switching, easy to recognize and distinguish. 【Application devices】Share printers, scanners, mice, keyboards, card readers, flash drives, and other many USB devices; Using Micro USB cables to connect devices for additional power can make them more stable. 【Features】USB 3.0 provides fast data transfer up to 5GB/s and is backward compatible with USB 2.0 and 1.1 specifications. 【Package contents】 USB 3.0 switcher * 1;1.5-meter USB 3.0 cable * 2;1.5-meter USB 2.0 mini USB cable (5V). Packaging including: USB 3.0 switcher * 1 1.5-meter USB 3.0 cable * 2 1.5-meter USB 2.0 mini USB cable (5V)