Noise reduction and immunity High fidelity audio quality Shielding and anti-interference Lossless transmission, strong compatibility Threaded, easy to install and disassemble, just twist it after welding Sturdy metal shell and Product Name: 90 Degree Connector Hole Diameter: 6.2mm Connection Method: Soldering Color: Photo Color Material: Gold-plated copper Package Contents: 10 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 a little different from the real thing. The measurement allowed error is +/- 1-3 cm.