BluePack allows connection of a broadcast style headset to a cell phone equipped with Bluetooth Wireless Technology. This sleek belt pack provides professional XLR and 1/4" connections as well as 3. mm connections to a recorder or mixer. BluePack pairs to your cell phone like a Bluetooth wireless headset. This professional microphone preamp and powerful headphone amplifier make sure the message gets through. A 3.5 mm stereo line input jack allows recordings to be mixed into the conversation. The 3.5 mm stereo line output jack provides your full bandwidth microphone signal on the left channel and Bluetooth audio on the right channel. Like any phone call, live interviews are limited to 3.4 kHz voice bandwidth back to the station. This stereo output jack allows you to make a full bandwidth recording using your favorite recorder. The stereo headphone output gives you a mix of the XLR microphone input, 3.5 mm input, and Bluetooth audio. This powerful ½ watt stereo headphone amplifier will cut through any crowd noise. BluePack also pairs to Bluetooth equipped sound cards and music players in full bandwidth stereo A2DP mode.