Billmill 3.5mm 4 Pole Stereo TRRS Male to AV 4 Screw Terminal Female Phoenix Block Balun Headphone Earphone Solderless Connector Adapter (4-Pack);

These 3.5mm 1/8" TRRS Male Plug to AV 4-Screw Terminal Block Balun Connectors feature a 3.5mm TRRS (4-Pole) Plug on one end and 4-Screw terminal block on the other end; connecting open wires to a 3.5mm TRRS jack.

Features:
1.Connector Type: 3.5 mm stereo male to AV 4-Screw Terminal Female
2.This connector is most often used in smartphones ， cellphones to provide stereo audio and one mic channel.
Package: 4 x 3.5mm 4 Pole Stereo TRRS Male to 4 Screw Terminal Female Adapter