There are no noticeable scratches or stains. Since this is a used item, please understand that there may be some minor scratches and scuffs from use. Continuous playback for 1 hour and basic operation have been confirmed. The battery did not run out quickly. After 1 hour of playback, the dedicated app showed approximately 80% battery remaining on the left earbud and 50% on the right. Alcohol cleaning has been performed. Everything in the images is included. Other features: Noise canceling Serial No. 50400186