Durable & powerful--use reliable material, eliminate almost all external noise interference, ensure good clarity Convenient to use--run straight to an amp via 24m cable with 1/4" connector, require no battery driven Easy to operate--adopt clip-on design, easily install or remove it, produce no damage to the instrument panel Compact & portable--come in pocket size and light weight, for easy carry anywhere Widely used--enable to work with acoustic guitar, violin, ukulele, mandolin, lute, etc