A free and easy digital music player and Bluetooth? wireless mobile phone handsfree all in one. You have hours of your favourite music in a stylish mini music player. Hours more on a spare super slim removable Memory Stick® Duo. And the headphone unit as your reliable handsfree. The handsfree microphone is built into the HBM-30. When a call comes in, your music mutes. When a call ends, it plays on. The HBM-30 works independently of your phone and is very easy to use. It has familiar controls and all the functions you expect from a cutting EDGE digital music player.