4-port, functional, high-speed USB HUB. It has a separate switch and operating indicator light for each of the connectors located on the side, the front side. In this way, the user can decide which device is seen by the computer without the need to the physical detachment from Huba. Ideal for people who lack access to a desktop computer or laptop. Hub allows you to simultaneously connect devices such as: mp3 players, digital cameras, scanners, printers (inkjet / laser) stick, multifunction devices, external hard drives, keyboards, mouse, and all devices with USB connector. Allows charging equipment suitable for the type of power (Eg mobile phones). Very good option to use the service.