The CV-20 Violin Pickup is a high fidelity acoustic pickup designed for violins. It features a built-in piezo sensor for capturing the authentic sound of the violin. The internal pickup system ensures easy installation without altering the violin's appearance. Experience professional-grade sound quality with the CV-20 Violin Pickup. Internal Piezo Sensor, Preamp Volume Control, Type: Violin Pickup, Music Accessory Colour:Black Material:Wood + Metal Package Contents: 1 x Violin pickup Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.