The Modus 3500 Bluetooth headset can be worn on the ear to be used as an excellent Bluetooth headset with dual mic noise canceling. It easily converts to a stereo headset by plugging the included stereo earbuds into the HM3500. The high quality stereo earbuds reproduce your stereo music with deep, rich bass and crisp highs. The earbuds also reduce background noise so you can hear your music without distraction. The included shirt clip keeps the headset secure while you're on the go. If a call comes in while you are listening to music you can answer the call from the headset using the earbuds and the inline microphone.