Vics Classical Wood Guitar Violin Viola Cello Banjo Contact Transducer Pickup with Volume Control Brand new and High Quality Contact Transducer Pickup It is a partical electronic pickup for beginners or professionalists Easy Top Mounting Simple attachment without any modification or damage When you don't play it ,leave the cord away from your string instrument Fit for various of acoustic string instrument such as guitar ,violin ,mandolin, ukulele,OUD ,Erhu ,Hulusi