Acoustic Piezo Contact Microphone Pickup For Guitar Violin Mandolin Ukulele1pcs- Acoustic Piezo Contact Microphone Pickup For Guitar Violin Mandolin Ukulele Feature: brand new and high quality. Quantity: 1 It applies to folk, classical guitar and ukulele and so on. Posted in different parts of the instrument have different pickup effect. Directly bonded to the instrument panel, 3M durable plastic, not to hurt the piano,It can be removed at any time, and then paste use. Without power, easy to install, cheap, pickup effect class Size: 370 mm x 40 mm x 18 mm Cable length: 87 mm Package Content: 1X Acoustic Piezo Contact Microphone Pickup For Guitar Violin Mandolin Ukulele