Musiclily Guitar Transducer Pickups Piezo Mic Jack for Guitar Violin Ukulele Mandolin Benjo Oud Viola Professional desgin Piezo Contact Microphone pickup - 1/4' jack with 8.5" inch cabl Just plug it into your amp, bass amp or other recording equipment Fit for guitar/mandolin/banjo/OUD/violin/ukulele/viola/cello Double sided tape and self adhesive Velcro for multiple mounting options along with it Package Included: 1Pcs Microphone Contact Pickup