3.5mm stereo male to 1/4" stereo female adapter allows you to connect 1/4" headphones to audio devices with a 3.5mm stereo audio port. The 3.5mm stereo male to 6.3mm (1/4") stereo female adapter is a versatile adapter that allows you to connect 1/4" headphones to audio devices with a 3.5mm stereo audio port. This adapter is easy to use and requires no additional tools or hardware. Simply plug the 3.5mm stereo male connector into your headphones and the 6.3mm stereo female connector into your audio device. This adapter is compatible with a wide range of devices, including: Smartphones, Tablets, Laptops, Computers, Gaming consoles, MP3 players, Other portable audio devices,, Amplifiers, Mixers, Keyboards, Guitars, Other professional audio equipment