Bose ADAPTiQ audio calibration system with black headset. Bose USB FLASH DRIVE included (rare) These are the audio adjustment headphones that came with BOSE Lifestyle systems. I purchased them at a BOSE event and have kept them in storage without ever using them. Operation has not been confirmed. - Brand: Bose - Model Name: ADAPTiQ - Accessories: Headset, cable - Function: Audio calibration system - Color: Black Thank you for viewing.