KORG CM-100 Contact Microphone ・This microphone is 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. We may have difficulty responding 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.)