The ALOGIC Ultra 3.5mm Stereo Audio (M) to 3.5mm Stereo Audio (F) Cable is used to extend an existing3.5mm stereo audio connection from a computer MP3 Player Mobile Phone Tablet any other device to another 3.5mm connection. Ultra-Built Quality: The Ultra range of premium cables are made from superior quality materials for the most elegant look and ultimate strength. The unibody aluminium design provides the best fit finish and durability for long lasting use. Cable construction with the flexible and tough TPE jacket makes it easy to use on a daily basis. This is topped with our ingenious design to reinforce the cable at potential stress points for maximum longevity. All this ensures a finished product that will meet and exceed all performance standard beyond expectations.