Mp3 Music Stereo Handsfree Headset Headphones Earphones Ear Buds with Mic Microphone and 3.5mm Audio Adapter + Dual Ear Buds Headphones Two-in-one HTC (OEM) Stereo Headphone and an HTC (OEM) 11Pin to 3.5 mm Headset Adapter. Quality guarantee - delivers clear crisp stereo sound while listening to MP3s or talking on the phone. This stereo headset allows you to hands free conversations or listen to music on your phone. Includes a send key to allow you to receive calls with the push of a button. Manufacturer Part No: 36H00622-00M.