Description: 【Easy Installation】No drilling required, simply attach the pickup sensor to the violin bridge slot using friction fixing for a secure and quick setup, making it ideal for both beginners and professionals 【Professional Sound】Piezoelectric sensor specially designed for violin bridge position, ensuring maximum tonal sensitivity and transmission while preserving the instrument’s sound without distortion 【Volume Control】Violin Pickup is equipped with a built in volume adjustment knob, allowing you to easily control output levels during performances or practice sessions 【Durability Materials】Piezo Contact Microphone Pickup is crafted from ABS, wood, and galvanized steel for long term use; anti slip rubber pads on the mounting bracket protect your violin from scratches 【Versatile Use】Passive design requires no batteries and features a tailpiece mounted output jack. The violin microphone pickup is great for personal practice, stage performances, outdoor live streamings, or professional teaching Specification: Material: ABS,wood,galvanized steel Color: Black Size Chart: Packing size: 12cmx5.3cmx4.7cm/4.72inchx2.09inchx1.85inch Package Includes: 1 Violin Pickup Note: Please allow slightly errors due to manual measurement and different monitors.