This item is a professional piezo microphone pickup, which picks up sound by being in direct with the sound source. It has the advantage of being able to interfering external sounds and not be sound reflections from nearby objects. Can be mounted on virtually any acoustic instrument including guitars, violins, pianos, horns, harmonicas. Features - A professional Piezo Microphone pickup. - 1/4 inch jack with 10 inch cable. - Picks up sound by being in direct with the sound source. - Has the advantage of being able to interfering external sounds and not be sound reflections from nearby objects. - Can be mounted on virtually any acoustic instrument including guitars, violins, pianos, horns, harmonicas. - Just plug it into your , or other recording equipment. - Comes with double sided tape and self adhesive Hook & Loop for multiple mounting options. - Also comes with a clip. Package list: 1 * Professional Piezo Microphone Pickup with Double-Sided Tape for Guitar / Violin / Banjo / Ukulele / Mandolin (Black)