This is a stethoscope used in student practical training. The manufacturer is Kohshin. It has been used only a few times, during training sessions. It comes with a dedicated storage case. It has been stored in the case since then. The sound quality is good, and there are no problems with normal use. There are no noticeable scratches or damage, but please understand that it is a used item, so there may be some minor signs of use. It has been disinfected. Recommended for student training and practice. Instant purchase OK.