1、This piezo pickup transducer offers a large compatibility, fits for acoustic guitar, folk guitar, ukulele and violin, etc. 2、It makes your instrument produce excellent sound quality, precise component provides a stability performance. 3、Easy to install, removable self-adhesive design. 4、Volume level adjustable, preventing noise squeal. 5、With 6.35mm output plug, approx. 3 meters audio cable for connection. Features: This piezo pickup transducer offers a large compatibility,  fits for acoustic guitar, folk guitar,  ukulele and violin, etc. It makes your instrument produce excellent sound quality, precise component provides a stability performance. Easy to install, removable self-adhesive design. Volume level adjustable, preventing noise squeal. Specifications: Condition: 100% Brand New and High Quality Material: Metal + Electron Color: Black Cable Length: Approx. 300cm / 118.1inch Suitable for Acoustic/Folk Guitar, Ukelele, Violin, etc. Weight: Approx. 90g Package Included: 1 x Guitar Pickup Transducer 1 x Set of Adhesive Tape(Total 4Pcs)