This USB 2.0 male to female power-boost extension cable is perfect to extend the reach of your existing USB cable and to use USB device such as memory stick on your desk instead of inserting it to the back of PC. The extension cable is very useful to extend the distance between your USB peripheral and your USB hub or computer assure good signal quality to meet USB specification. With the power-boost enables fast data transfer and charging. - USB specification 2.0 compliant - Super fast data transfer - Extends the distance of a USB by 5 meters - Compatible with USB 1.1 port and USB 2.0 port - No external power required - Supports IBM PC 486D*4 or higher windows 98/ME/2000/XP