Thank you for viewing. This is a neckband-style bone conduction earphone. I have used it a few times, and there are some minor scratches, but it has been stored at home. 【Please Note】 This item includes only the earphone body (used) and the instruction manual. The box, earplugs mentioned in the instruction manual, and USB charging cable are not included. Operation has been confirmed, but we cannot accept returns or refunds for any malfunctions after purchase. Please check the photos for the condition. I will clean it lightly, package it, and ship it via Yuu Yuu Mercari delivery. It will be delivered to your mailbox. 【Included Items】 Japanese instruction manual ※The color of the actual product may differ from the photos. - Model: Bone conduction headphones - Color: Black - Design: Neckband style