Item Type: Violin Pickup Set Material: Metal and plastic Battery Required for the Product: 1 x 9V battery (excluded) Package List 1 x Violin Pickup 1 x Black Long Accessory 1 x Cable Tie 1 x Suction Cup 8 x Screw 4 x Nut 2 x Gasket 2 x Cover 1 x Battery Box 1 x Pickup Strip 1PERFECT PERFORMANCE: This pickup reduces noise and murmur interference, making it ideal for live performances and improving the quality of your music. 2IMPROVE SOUND QUALITY: If you are not satisfied with the sound quality of your violin, you might as well try this pickup, it has a great effect on improving the sound quality. 3METAL AND PLASTIC: Constructed from metal and plastic, this pickup is exquisitely crafted, precisely wired, and has a long lifespan. 4IDEAL CHOICE: Perfect for violin players and beginners, this pickup is small but powerful and an indispensable accessory for the violin. 5EASY TO USE: The use of the pickup is very simple and the accessories are complete, you just need to use it directly on the violin.