Here's the SHOKZ "OPENRUN," a popular bone conduction headphone. It doesn't block your ears, allowing you to listen to music or take calls while still hearing ambient sounds, making it ideal for running, sports, and commuting. It's lightweight and comfortable, with a waterproof design (IP67) that's resistant to sweat and rain. [Included Items] * Main unit * Charging cable * Storage bag Purchased on September 9, 2023, at Yodobashi Camera. Used for the first few months and then not used since. Operation has been confirmed, and it works without any problems. There are some minor scratches on the surface of the main unit, but they are barely noticeable due to the material. Returns and exchanges are not accepted, so please purchase only if you understand that this is a used item.