1.Function: The audio cable can be connected from the outside to mit and expand the audio signal.Applicable equipment: audio and video equipment with 3.5mm audio interface. 2.3.5mm screw terminal adapter connecting single wires with open cable heads to your 3.5mm jack 3.3.5mm trs jack cable model: TRS,Stereo,3 Pole 3.5mm 1/8 inch male plug 4.3.5mm audio cable screw/solderless type.Use for microphone plug, earphone plug. 5.No soldering required! Use stranded or solid core wire and a small screw driver to create custom wiring jigs.<br><br>Head: 3.5mm audio gold-plated male Product terminal: 3P terminal Product wiring method: no welding, fixed terminal screws. Product material: copper product Wire diameter: OD4.0mm product colour:black Material:PVC size:30cm<br><br>Package Contents: 1 * Adapter cable<br><br>Only the above package content, other products are not included. Note: Light shooting 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.