Free AirBridge Wireless Adapter when purchasing a Philips SpeechMike Premium Air or a Philips SpeechOne. The Philips AirBridge Wireless Adapter is the ideal companion when working on the go. Use your SpeechMike Premium Air Wireless Dictation Microphone or your SpeechOne Wireless Dictation Headset, even without the docking station. Simply plug in the AirBridge Adapter into a USB slot and instantly benefit from lossless audio transmission. Despite its compact size, the adapter offers you the same lossless audio transmission technology as the docking station.