KORG CM-100 Contact Microphone * This is a microphone designed by KORG to be used with their tuners to improve the tuning accuracy of acoustic instruments. * By directly picking up the instrument's vibrations, it allows for accurate tuning that is less susceptible to surrounding noise. * It is attached to the instrument with a clip. It is mainly used for tuning acoustic instruments such as guitars, basses, and wind instruments. ※ Although it is an unused item, we will handle exchanges or cancellations if any malfunctions occur due to long-term storage. Please check the operation and provide a rating upon receipt. It will be difficult to handle issues after the rating is given. ■ We will ship quickly, typically within the same day or the next day! ■ No smokers or pets. ■ We will ship via Mercari delivery service (either Rakuraku Mercari or Yu-Yu Mercari, which may be changed without notice. Please let us know before purchasing if you have a preference.)