4 ports detach from the base to act as a travel hub while the 3-port basetray stays on your desk Features a rotating connector on the detachable 4-port hub to keep adjacent ports free Adds seven or four Hi-Speed USB (Universal Serial Bus) 2.0 ports with transfer speeds of up to 480 Mbps Base stows flash drives paper clips & notepads in handy storage tray
Includes: power socket with power supply included Backwards compatible with USB (Universal Serial Bus) 1.1 Compatible with all operating systems that support USB (Universal Serial Bus) This design gives you two ultra-fast USB (Universal Serial Bus) hubs in one a stable base & a travel hub. The 3-port base can connect your larger more stationary equipment such as printers & hard drives. The detachable 4-port travel hub offers a great connection point for your mouse MP3 player camera & flash drives. Its easy to take on the road & simply plugs into a USB (Universal Serial Bus) port on your laptop when you need it. Its rotating connector keeps adjacent ports free.