The shell of the elbow plug is blue aluminum alloy, and the connector is copper plated with gold, The outer diameter of the wire is 4.5mm with a braided mesh, the conductor is oxygen-free copper, with aluminum foil shielding, The female plug is an aluminum alloy shell with black paint. The connector is copper. Product use: Suitable for extending the interface of mixers, audio players, speakers, electric guitars, electronic keyboards, electronic d s and other equipment. The 6.35 male plug adopts a 90-degree turn design, which is more convenient for wiring in a small space. The extension cable is a stereo interface and is compatible with mono devices, such as electric guitars connected to active speakers, electronic keyboards connected to mixers, etc. Hign-concerned Chemical:None Package:Yes Application:SPEAKER Type:Audio Extension Cord Colour:Blue+Black Material:Aluminum Alloy Size:1.8m/0.3m Package Contents: 1 x Stereo Audio Cable 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.