A professional Piezo Contact miniphone pickup - 1/4' jack with 31.5inch cable.Contact miniphones pick up sound by being in direct contact with the sound source.Able to eliminate external sounds interference and not be influenced by sound reflections from nearby objects.Comes with double sided tape and self adhesive for multiple mounting options.Color: Black & redJust plug it into your amp, bass amp or other recording equipment.You can amplify your guitar, mandolin, banjo, violin, ukulele, viola, cello.Cable length: Approx 80cm/ 31.5inJack: 1/4'Weight: 35g/ 1.2ozMaterial: Metal + PlasticPackage Included:1 x Piezo contact miniphone pickupNote:Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.