Sealevel High Speed 4-Port USB 2.0 Hub with Battery Charging Downstream Port and SeaLATCH Locking USB Ports; Includes SeaLATCH Locking USB Device Cable and 5VDC @ 4A Power Supply

Hello everyone, in this video we're going to talk  about the USB port, cables, and connectors. Now USB   stands for universal serial bus. The USB is the  standard that is used to connect peripherals to   a computer and it's by far the most commonly used  port. And the reason why it's so commonly used is   because just like its name says, it's universal. The  USB port is used to connect many different kinds   of devices such as keyboards, mice, cameras, printers,  scanners, external hard drives, flash drives, and   they can even do networking and so much more. And  it's also used to charge devices such as cell   phones. And desktops and laptops will have several  USB ports. Now the goal of the development of the   USB was to make connecting devices to a computer  much easier and this is done by first making one   standard connector, therefore eliminating all the  other different kind