How Does a Bluetooth Headset Work?
The Personal Area Network
The cornerstone of Bluetooth technology is the Personal Area Network, or PAN, which creates a short range network that is accessible by all devices using the Bluetooth protocol. This is why Bluetooth headsets can be used with computers, cell phones, or even a PlayStation 3. However, before this network can be formed, connections must be formed.
Headset Connection
In order to get your headset to work with specific devices, you have to create an initial connection. This process is known as "syncing" When you sync your headset with a device capable of receiving Bluetooth information, then you are creating an invisible link between the two devices. This link can be a part of a larger PAN that includes other devices, or as is often the case with Bluetooth headsets designed for cell phone use, the PAN is a simple one way link that sends data from the headset to the phone.
Information Sharing
A Bluetooth headset transmits information that comes through it to the phone, PC, or console that it is synced with. The information is then transmitted through the receiving device's own Bluetooth-specific transmission method to make sure that the information gets where it needs to go. Although the process sounds complex, information in this sort of network only flows one way, and the Bluetooth signal only facilitates the initial transfer of this data. Specialized protocols and software handle the rest.
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