Colorful and high Speed USB2.0 HUB with 4 port, Charge and connect any USB Device. 4 ports and power up to 500mA each port. Extensively compatible with scanner, digital camera, digital vidicon, optical mouse, Keyboard, USB flash disk,etc. Truly plug & play and hot swapping capability. Full data transfer rate up to 480Mbps. USB bus power Supply ,No external power supply required. Single chip integrated USB HUB controller with embedded proprietary processor. Once imprinted with your logo or company name, this tech accessory is sure to make a great giveaway at your next event!