Highlights: Add an extra 4 USB (Universal Serial Bus) 2.0 ports via PCMCIA expansion slot on your laptop Small & compact size Plug & Play Ideal for laptops or notebooks Supplied with USB (Universal Serial Bus) power cable to provide extra power Specification:USB: 2.0USB ports: 4 Dimensions: 4.33 in x 2.13 in x 0.87 in Weight: 4.9 oz Package Contents:1 x 4 port USB (Universal Serial Bus) 2.0 PCMCIA card 1 x USB (Universal Serial Bus) power