The Zoom Model 4314 Zoom Bluetooth Adapter plugs into a personal computer to provide a wireless connection to another Bluetooth-enabled device- such as an audio system receiver- modem- mobile phone- headset- computer- PDA- mouse- keyboard- or peripheral. The Model 4314 is a Class 1 Bluetooth device- which provides a range of up to 100 meters (330 feet). The small thumbnail size of the Model 4314 allows it to remain in the USB port of a computer- secure from impact. Other adapters protrude significantly from the USB port- and a blow to the adapter can easily damage the USB port or the adapter. The Model 4314 will communicate with all other Bluetooth devices- including Class 1- Class 2- and Class 3 devices. When connecting to Class 2 and 3 devices- the Model 4314 is limited to the shorter range of the less powerful Bluetooth device. The Model 4314 is Bluetooth version 2.1+EDR compliant- which increases speed- reduces battery consumption- improves security- and provides faster pairing. The Model 4314 supports throughput of up to 2.1 megabits per second (3 Mbps nominal)- the maximum allowed by the Bluetooth version 2.1 + EDR standard. The Model 4314 USB adapter is compatible with Macintosh an