Overview This hub connects up to 2 USB (Universal Serial Bus) 2.0 devices with just one cable. Two USB (Universal Serial Bus) A female ports will receive your mice, printers, hubs, or other USB (Universal Serial Bus) devices without them being cluttered together. Unlike traditional USB (Universal Serial Bus) hubs, this cable can slide behind your desk & out of the way, or connect on the front of a desktop so you would not need to reach in the back of the PC. With its small form factor it eliminates the clutter associated with traditional hubs, & lets you spread out your devices. Bus-powered, so it requires no external power adapters. Compliant with USB (Universal Serial Bus) 2.0 specifications; compatible with both PCs & Macs. Input: (1) USB (Universal Serial Bus) Type A Male Output: (2) USB (Universal Serial Bus) Type A Female