CESS 1/8 Inch 3.5mm Mono TS Female Jack Socket Connector Soldering (LW) (10 Pack) 3.5mm mono cable jack 3.5mm TS type cable connector Notice: This jack has 3 pins, two of which are connected, you only need to solder one of the pins or you can solder both Use for microphone jack, earphone plug, Audio Video AV PC Match 3.5mm mono plug