Unitek Y-2140 is a hub that allows you to increase the number of available USB 2.0 ports by 4 additional ports. It allows you to connect more peripheral devices to your computer, such as flash memory, external drives, keyboards, mice or printers. The device is especially recommended for owners of laptops with a small number of USB ports, as well as owners of desktop computers who do not want or cannot connect devices to hard-to-reach ports located at the back of the computer case. Thanks to the implemented electronics, the hub also charges mobile phones Type Passive Number of ports 4 Standard USB 2.0 Charging devices Yes Ports 4 x USB Type A Female Power supply Passive hub, does not require additional power supply (powered from the USB socket) Color Black Dimensions Integrated 80 cm USB cable Other parameters - Ability to charge mobile phones - Data transfer up to 480 Mbps - Support for Plug & Play and HotSwapp standards - Compatible with systems Windows XP/Vista/7/8/8.1 and Mac OS 9.0 (and newer)