Products Features:
Best solution for USB port expansion.
With USB2.0 specification, data transfer speed up to 480Mbps.
Backward compatible with USB1.1.
Plug and play, no need to install the driver.

Specifications:
Product Dimension: 46.5mm x 46.5mm
Upstream: USB2.0 A-Male
Downstream: 4 x USB2.0 A-Female
Cable Length: 30cm