Features:Brand new and high quality.A professional Piezo Contact Microphone pickup - 1/4"jack with 31.5" cable.Contact microphones 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.Just plug it into your amp， bass amp or other recording equipment.Comes with double sided tape and self adhesive Velcro for multiple mounting options.You can amplify your guitar， mandolin， banjo， violin， ukulele， viola， cello.Specification:Cable length: Approx. 80cm/ 31.5in.Jack: 1/4".Color: Black and red.Note:Please allow 2-3cm size error due to manual measurement.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc， the color tone of the website's photo and the actual item could be slightly different.Package Included:1 * Piezo contact microphone pickup.Packed Safely in Retail Box.