Gold-Plated 2.5mm TRRS Stereo Female to 3.5mm TRRS Stereo Plug Converter AdapterThis adapter converts a 2.5mm TRRS plug into a 3.5mm TRRS Plug. This allows your to use a 2.5mm headset or plug with any cell phone, MP3 player, or other audio device that has a standard 3.5mm connection.Specifications:2.5mm stereo to 3.5mm stereo converter(1) 2.5mm stereo TRRS female(1) 3.5mm stereo TRRS maleEasily connects your 2.5mm headset to audio device that requires a 3.5mm plugSlim and small design for ease of use or travel Gold-plated connector ensures a solid high quality connection between the connected devices1x Adapter includedCablesOnline Part Number: IP-AD13