This USB expansion cable is ideal for using multiple USB devices at the same time.
USB 2.0 (Compatible with USB 1.1)
Individual Port Over-Current Protection
Provides up to 500mA per Port
Plug & Play (No installation required)
Supports Windows 98/2000/ME/XP/Vista
Supports MAC OS 8.6 & Above
P.S:We are a family own factory. We have a factory and sales office in Shenzhen China, and sales office and warehouse in California USA as well. We have been in the electronic and promotional gifts industry for more than one decade.