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Bluetooth is usually used to connect one device to another (kind of similar to a wireless USB). It is meant to replace infrared (IR). It is widely available in laptops and cell phones. Bluetooth has a maximum range of 10 meters at 2.4 GHz which is fine because its purpose creating an individualized, network linking an individual's 'personal" devices together that are already in close proximity. You'll learn that Bluetooth devices also self-configure, that's new to device -- is called paring. So once your Bluetooth devices are configured they will automatically sync up and connect to whatever other devices you have pared it with as soon as it comes within range, and assuming both devices are on with Bluetooth enabled.