Hosa Technology 3.5mm Female to 2.5mm Male Stereo Audio Adapter

Adaptor 3.5 mm TRS to 2.5 mm TRS This adaptor is designed to adapt a mini stereo phone plug to a submini stereo phone jack. It is ideal for use as a headphone or headset adaptor. Connectors: 3.5 mm TRS to 2.5 mm TRS