The transmission range of a Bluetooth device depends on the type of class it falls into. There are three main classes. Class 1 device has a standard range of approximately 330 feet or 10 meters. This is implemented where the is plenty of power, such as in desktop systems or laptops. Class 2 device has a standard range of 33 feet or 10 meters. These are the most common Bluetooth transmitters and where the typical Bluetooth headsets and smartphones fall into. Class 3 device’s range is less than 10 meters.