The stylish kuh-190 4-port 2.0 hub features a USB interface with data transfer rates of up to 480 Mbps, allowing you to add multiple high-performance peripheral devices to your PC. Its compact size, coupled with its fully Plug and Play capability, is ideal for connecting useful devices such as printers, digital cameras, MP3 players, and more. Plug and play self-powered configuration Current source: 500 mA / port support OS: Windows ™ family / Mac OS 9.0 or higher Power connection: Self-powered LED on: Yes Cable length: 150 cm (2.5 mm) Dimensions ( mm): 77 (L) x 36 (W) x 10 (H)