Look at these features!

KEY SPECIFICATIONS / SPECIAL FEATURES

Supports data transfer rate at 1.5Mbps/12Mbps
Supports up to 127 high-speed devices
Compatible with USB 1.1
Individual port with overcurrent protection
Provides up to 500mA per port, sufficient for diverse devices
Power adapter included (5V, 2.5A output)
Plug-and-play installation
Four downstream ports with USB A female connectors
One upstream port with mini USB five-pin jack
Dimensions (L x W x H): 106 x 34 x 16.8mm

DESCRIPTION
Automatically select self-powered of bus-powered mode.
Easy installation of large range self-powered mode.
Support both full speed and low speed devices.
Four downstream points that have automatic packet connectivity and speed detection functions.
Higher than 8KV in-circuit ESD protection.

SYSTEM REQUIREMENTS
Working with Windows98/SE/ME/2000/XP
Supports Mac OS 8.6 or greater
PC user with available USB port