USB 2.0 Hi-speed 4 ports HUB. 

Fully Compliant with USB 2.0 Specification

Support up to 127 Hi-speed devices

Backwardly Compatible with USB 1.1

Support data transfer rate at 1.5/12/480 Mbps

Individual Port Over-Current Protection

Easily portable

Color: Silvery white

Provide up to 500mA per port which is sufficient for diverse devices

Power from USB port

Power Adapter included

Plug & Play ;1 Hi-speed mini port used to connect with PC USB port with USB cable