')}.my-chat-box{display:none;position:fixed;right:10px;bottom:20px;width:82px;height:82px;background-image:url("https://s.lzchips.com/static/images/chat.gif")}@media screen and (min-width:992px){.my-chat-box{display:block}}
USB Hubs
USB hubs are designed to add more USB ports to a device. Important specifications include the max data rate allowed, voltage input, number of ports, and mounting style.