ANiceS Audio 2.5mm Male Plug to 3.5mm Female Jack Aux Stereo MIC TRRS Adapter 100% Brand New and High Quality Connector Diameter: 2.5mm Male (Plug) / 3.5mm Female (Jack). / Outside Diameter of 2.5mm: approx. 3/32 inch Contact Version: TRRS (Stereo and MIC) Color: Silver Free & Fast shipping