A personal area network, or PAN, is an area that allows personal data to be exchanged between two persons. However, this can only be possible if an open wireless protocol is used, such as a Bluetooth device. Bluetooth devices are best for wireless technology within a short distance. It was originally intended as a substitute for RS232 data cables, especially since it can connect to several devices at one time.
Nowadays, majority of the mobile phones are equipped with Bluetooth devices. Bluetooth-equipped mobile phones are capable of connecting to wireless headsets. This type of feature is one of the reasons why Bluetooth devices have become immensely popular.