SHOKZ OpenComm Bone Conduction Headphones (Defective - Microphone Malfunction) AFT-SP-000085 ASC100BK [Item Condition] This item is defective and being sold as junk. The microphone volume suddenly became extremely low during a conference. Audio can still be heard, so it can be used as bone conduction headphones. The exterior shows signs of use typical of a used item, but there are no major scratches or damage, and it appears to be in good condition. [Included Accessories] Dedicated case Charging cable Outer box and instruction manual Please understand that this item is defective before purchasing. Series: OPEN COMM