TM-20 The Yamaha TM-20 microphone for tuners is an easily detachable clip-type microphone that directly transmits vibrations to the tuner by attaching the microphone part to the instrument. Maximum 30mm Cord 1.5m Color: White x Red Compatible with various instruments such as flute, saxophone, clarinet, and horn. - Brand: YAMAHA - Model: TM-20 - Application: Instrument clip - Compatible instruments: Flute, saxophone, trumpet, etc. - Color: White Used Please consider this item if you understand that it is a used product. I am not good at dealing with those who are overly sensitive, so please understand.