Thank you for viewing. This is a listing for SHOKZ bone conduction earphones, OPENRUN. ■ Product Features Comfortable bone conduction technology: With an open-ear design that doesn't block the eardrums, you can hear both your music and the surrounding sounds, making it safe for running, cycling, and everyday use. High-quality sound and powerful bass: Despite being bone conduction technology, it provides clear and balanced high-quality sound. Lightweight and excellent fit: It has a stable fit that won't slip even during intense exercise, and is comfortable for long periods of use. ■ Condition I purchased it new and used it for about six months. Operation confirmed. There are no problems with the functions. There are no noticeable large scratches or stains, but there are some minor scratches due to use. Please understand that this is a used item before purchasing. ■ Product Details Brand: SHOKZ Model Name: OPENRUN Color: Black Accessories: USB charging cable (genuine) Immediate purchase is OK. If you have any questions, please feel free to comment. #MercariHalloween #SHOKZ #BoneConduction #OPENRUN