* Fully compliant with USB 2.0 specification

* Backwards compatible with USB 1.1

* High Speed Laptop USB 4 Port Hub supports up to 127 hi-speed devices

* This PC USB 2.0 Hub with LED Light (green) supports data transfer rate up to 480 Mbps

* Individual port over-current protection

* Friendly and ergonomic designs, easy protection

* Plug and play installation

* This Mouse USB Hub supports windows 2000 / XP / MEVista 

* Dimension: 9.5 x 10 x 3 cm

* Weight: 80 g