Multi ports: Turn one USB port into four; connect up to four devices simultaneously 

Super speed: USB 3.0 ports provide data transfer speed up to 5 Gbp/s, transfer an HD movie in seconds; backward compatible with USB 2.0

Widely compatible: No drivers for Windows, automatic built-in driver installation for Mac 

Stable: Reinforced cable coating and EMI protection to prevent interfere with wireless devices 

Portable: 4 Ports in one square design to save space. About 1.5 ounce in weight

Perfect for extending the USB demand of laptop

Size: 2.76 x 2.76 x 0.49inch, cable length: 11inch