Purchased new on Amazon in 2022. https://amzn.asia/d/d3QcQxH I believe it's in good condition for its age, as it hasn't been used much. Operation has been confirmed. Bone conduction earphones that allow you to enjoy music without blocking your ears. - Type: Bone conduction earphones - Accessories: Storage case - Design: Black - Features: Open-ear design Thank you for viewing.