I am selling these because I don't use them as often anymore. They are lightweight and have a comfortable fit. [Domestic Genuine Product] Shokz (AfterShokz) OPENRUN ■Model Number■ OPENRUN (S803) ■Color■ Cosmic Black (BLK) Lightweight IP67 waterproof bone conduction headphones with up to 8 hours of playback. - Model Name: OPEN RUN - Type: Bone Conduction Headphones - Bluetooth Version: 5.1 - Waterproof Rating: IP67 - Weight: Approx. 26g - Continuous Playback Time: Up to 8 hours - Brand: SHOKZ - Model Name: OPENRUN - Accessories: Charging cable, storage pouch, instruction manual - Color: Black I used them about 10 times after purchase, but I couldn't see any noticeable scratches or stains. I have taken good care of them. However, please understand that these are used items, so please purchase them if you understand this. Thank you for looking.