Noise Reduction and Immunity High Fidelity Audio Quality Shielding and anti-interference Lossless transmission, Strong compatibility Thread Design, Easy to install and disassemble, just twist it on after welding Metal shell sturdy and Product Name: Plug Connector 90 Degree Wire Hole Diameter: 6.2mm Connector Method: Solder Colour:Photo Color Material:gold plated copper Package Contents: 6 x Connector 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.