Usb Universal Cool 4 USB ports (2.0 / 3.0) Gray aluminum

https://www.youtube.com/watch?v=BYWD4i4NLrc COOL Universal 4 USB Port Adapter Hub. Made of aluminum alloy. 3 USB 2.0 inputs, 1 USB 3.0 input. With LED indicator. Compatible with USB 1.1, 2.0 and 3.0. Office collection. Instructions: 1. Plug and play the device, no ...