A headset that provides a two-way connection to the user's cellphone via Bluetooth. Fitting in one ear only, the part that is pressed slightly into the ear canal typically comes with removable small, medium and large tips for the best fit. For greater comfort, custom ear pieces can be molded to the individual's ear. See Bluetooth, Bluetooth headphones, Bluetooth pairing and Bluetooth handset.
Two Wireless Systems
All Bluetooth cellphone users are employing two wireless technologies: Bluetooth between ear and cellphone and the carrier's transmission technology between cellphone and cell tower (see GSM
It's In the Hat
This man is answering a call from his hat. Using bone conduction speakers, Cynaps Bluetooth headsets are built into ready-made caps. In addition, a self-install kit lets you put it into your own hat or helmet. For more information, visit www.maxvirtual.com. See bone conduction