Hh Quality Material3.5mm mono male plug solder belongs to the upgraded version which is different from other soft plastics. The shell provided by ELNONE is hard and you can directly weld it without worrying about the risk of plastic melting during the welding processDetails of 3.5mm Solder Mono Connector The longer side is the negative pole the shorter side is the positive pole with an outer diameter of 3.5mm. The product includes 5PCS. Please carefully check the size you need and choose the correct connector sizeWidely ApplicableReplacement 3.5mm mono male solder connector very suitable for replacing and repairing.such as CCTV safety cameras IP cameras LED bar monitors projectors Media players MP3 players MP4 players audio and video devices laptops car audio etcSave Money When your mono male solder jack cannot be used you only need to have 3.5mm plugs solder jacks for replacement and repair. 3.5mm mono solder tube adapters can securely secure cables so you dont have to worry about them slipping out or losing connectionEasy to Operate3.5mm trs solder no need for external tools or additional shrink tubing even if you are not a professional you can operate it by simply inserting the cable into the hole twisting and locking it in place and then welding it which is convenient and fast