B.S. Enterprise BS Enterprise Stereo Sound Handsfree Earphone For Zen Ultrafone Sonic 1 Headphone(Black, In the Ear)

With Volume Control function, Standard 3.5mm audio jack, Enable you to listen & answer calls, Enjoy MP3 & Music, Answering calls and end calls button, The comfortable earphone allows you to use it for hours on end, and the discreet microphone on the cord ensures that your voice is heard loud and clear, High-quality microphone on the lead for accepting calls while listening to music and Built-in Microphone featured noise reduction.