Josi Minea x 3 Pcs 2.5mm Male to 3.5mm Female Audio Adapter Converter Headphone Earphone Headset 3 Ring Jack - Stereo or Mono [ 3 Pack ] New 2.5mm Male to 3.5mm Female Audio Headphone Adapter Connector Plug Provides Great Clear Audio Quality Adapter provides stereo/mono capabilities to convert your 3.5mm headset Converter lets you use the 3.5mm earphones with phones that have 2.5mm jack Please note that not all 2.5mm devices are compatible with 3.5mm headsets