fdealz 3.5mm Screw Terminal Adapter 3.5mm (1/8 Inch) 3.5mm Male to AV 3 Screw Terminal Block Balun Headphone Solderles Connector Wire Connector  (Black, Pack of 5)

3.5mm Male to Screw Terminal Connector, 1/8 Inch TRS Stereo Male Plug to 3-Pole Soldless Screw Block for AUX Cable, Speaker and Headphone Wire ? 3.5mm trs male is used to connect stripped audio wires to 3.5mm male jack stereo or mono like speaker or headphone etc. You can also make your own Aux cable to a designed length . ? 3.5mm 4 pole jack plug with Tip- Left, Ring 1- Right, Ring 2- V Terminal, Sleeve- Ground. when do CTIA wiring, you need to connect your MIC to the Ground Terminal and Common to V Terminal (This wiring way is suitable for most latest device like iPhone (5, 6 and newer versions), iPod, Android devices, smartphones, tablets and PCs with combined mic/headphone 3.5mm jack. When you do OMTP wiring, then V terminal is connected to the MIC, and Ground Terminal is connected to the common.