Bluetooth Devices Question:

Bluetooth dongle is a technology that enables a PC for point to multi-point friendly connectivity with other similar Bluetooth devices, like PDA, mobile phone. The devices enable the communication between devices within a range of 30 feet apprx.
Certain recent desktops and laptops are built-in with Bluetooth dongle to communicate. Bluetooth enables a single adapter to allow multiple devices for communicating with one system to another.