High-quality wireless earphones, made by BOSE. - Brand: BOSE - Type: Wireless earphones - Color: Black - Charging case: Included - Bluetooth function: Yes These were received from a friend. - Power turns on, but Bluetooth connection could not be established in my environment. - Usage time (battery life) is unknown. - Since the operation has not been confirmed, it is being sold as junk. The appearance is as shown in the photos. Please purchase only if you are able to repair, use for parts, or are knowledgeable about this product. No claims and no returns accepted. Thank you for viewing.