Lowly noise, highly sensitivity, ensuring good sound quality. Small and light weight, suitable for small and middle size performances, party, class show. The contact pickup only collects sound caused by the vibration of soundboard, which not only eliminates the interferences noise, but also realizes quality sound. The pickup can be securely clamped to end of the instrument without harming your favorite instrument. Suitable for most string music instruments such as Violins, guitar, ukeleles.