About this item 1/4'(6.35mm) female to 1/8'(3.5mm) male headphone adapter cable, for transferring audio between 3.5mm devices (smartphones, tablets or headphones) and 6.35mm devices (amplifier, guitar, piano, mixing console, home stereo system...). Examples include connecting an amplifier to headphones, a 6.35mm headphone to computer, piano to 3.5mm, or guitar amp to speaker. Plug and Play: This 1/4 to 3.5mm adapter is very portable and features a quick response, tight connection, and flexible conversion from a 6.35mm port to a 3.5mm port. (Please ensure that the devices used also have a stereo TRS jack. Transfers audio between devices, no mic.) Qualified 6.35mm Audio Adapter: 24K gold-plated connectors ensure high stability and high-speed lossless transmission; metal housing provides wear resistance, anti-corrosion, and solid protection; tin-plated oxygen-free copper wiring ensures high fidelity and pure sound quality. Quad-Layer Shielding: This 6.35 to 3.5 adapter combines tinned cop