Made of Single crystal copper Wire, ensuring the perfect transmission of the audio signal, depth and resolution. To reduces the possibility of wire oxidation and accurately restore music details. High quality Adapter, the transmission and resolution of the sound are protected from interference, which result in delivering lossless sound quality. Handy and portable, widely work with earphone, headphone, and home audio equipment, such as amplifiers, mixing console, Home theater devices, or AV receivers, karaoke system and etc. we provides high quality female seat for this adapter Specifications Item Type:ADAPTER Material: Metal Color: As shown (The product appearance and printed words depending on the batch, Random Color No specification accepted,but this does not affect use) Package Contents: 1 x Connector plug Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.