SHOKZ bone conduction headphones, black, item with issues. - Brand: SHOKZ - Type: Bone conduction headphones - Color: Black - Condition: Item with issues. I purchased a used SHOKZ OPENCOMM UC, but the microphone is faulty and the USB dongle is missing. It can be used as bone conduction headphones. - Accessories: The main unit, charging cable, and dedicated case as shown in the photos. For those who understand the issues, please purchase with no returns and no claims. Thank you for viewing.