A professional piezo contact microphone pickup with 1/4 inch jack and 10.6 inch cable. Contact microphones capture sound through direct contact with the instrument surface. Resistant to external sound interference and not affected by sound reflections from nearby objects. Simply plug into your amplifier, bass amp, or other recording equipment. Includes double-sided tape and self-adhesive buckle for multiple mounting options. Can be used to amplify guitar, mandolin, banjo, violin, ukulele, viola, and cello. Placement on different areas of the instrument produces varied pickup effects. Directly bonds to the instrument panel or plastic surfaces without causing damage. Removable and reusable. No power required, easy to install, cost-effective with reliable pickup performance. Color: Black + Red Material: Plastic Size: 125 x 175 mm Package Contents: 4 x Pickup Note: Light and display settings may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.