It is now over. The Hebo Call headset, which has a throat Micro, here is the vibration directly taken from the larynx without annoying background noise, you hear the other riders clear, even at 200kmh. Via a small Bluetooth module do you make a connection to your cell phone with her bluethoot function and selects the corresponding numbers on a voice. A class tool not only for scooter riders and at a Price / Performance-very good price. Included is a laryngeal Micro, a headphone, Bluetooth module and an appropriate charger.