Usage Tips:[Professional Violin Pickup]:The CV-19 Violin Pickup is a quality pickup designed for both violins and violas. It features built in volume control, allowing you to amplify the sound to your preference.[Easy to Install]:This pickup is easy to install and does not cause any damage to the body of your instrument, making it an ideal choice for music enthusiasts looking to enhance their performance.[Material]:Made from durability hardware material, this violin pickup is designed for long term use and can withstand regular wear and tear.Internal Piezo Sensor, Preamp Volume Control, Type: Violin Pickup, Music AccessoryColour:BlackMaterial:Plastic + MetalPackage Contents:1 x Violin pickupOnly 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.