3.5mm Audio Cable Adapter Welding Head Plug The 3.5mm solder plug is very suitable to replace the old plug of the headset.And can also be used for DIY audio cables and headphone cables , Automatic AUX line, etc. Feature: Application to Media Player, Audio-Video Equipment, AV Equipment, Note Book, Cell Phone, Car Audio etc. Perfect for making a cable to a desired length or replacing a broken connector. Suitable for any audio device with 3.5mm interface, according to your own DIY welding into the cable you need High fidelity design, high fidelity noise reduction, enhanced shielding interference, can ensure stable current transmission and high-fidelity audio.Provides excellent clear audio quality. Specifications ： Shell material: Zinc alloy + Gold plated + PVC Connection technology: soldering Connector A: 3.5 mm Gold plated Male Plug Fit up to OD 6mm Cable. Note:The other end of 3.5mm needs to be welded, please be careful to buy! This is a pair of 3.5 TRS (3-conductor) solder plugs, not TRRS (4-conductor) plugs Package : 2 x 3.5mm Male Stereo Repair Headphone Adapter