Description: Wide Application: Guitar Pickup is suitable forGuitar, violin, erhu, guzheng, ukulele, pipa, thumb piano and other instruments. Almost all instruments are commonMaterials: Professional piezo contact microphones pickup is made of quality PP and electronic components materials, strong and stableEasy to Install: Violin microphones pickup is easy install and convenient to use. LightweightDesign: Acoustic Guitar Pickup features an easy to use volume control button on the microphones head, you can adjust the volume effortlessly to avoid feedback squealsGreat Sound Quality: Utilizing piezoelectric elements to get vibrations and convert them into electrical signals, this pickup delivers bright sound without harshness and deep bass with power. It offers fidelity sound reproduction that maintains the tone of your instrument Specification: Installation method:1. Open the package, let the 2.5mm/0.10inch cable into the interface, and connect the pickup;2. Tear off the sticker on the back of the pickup and stick the pickup on the appropriate position of the instrument;3. Hang the others 6.35mm/0.25inch interface tail nail buckle on the strap nail at the bottom of the piano, insert connector into the 6.35mm/0.25inch cable, which can be rotated 360, adjust the angle and connect the speaker. Size Chart: Line length about60cm/23.62inch Package Includes: 1guitar microphones pickup Note: Please allow slightly errors due to manual measurement and different monitors.