Features:
A professional piezo contact microphone pickup - 1/4"  jack with 10.6" cable.
Comes with double sided tape and self adhesive velcro for multiple mounting options.
Posted in different parts of the instrument have different pickup effect.
Directly bonded to the instrument panel, durable plastic, not to hurt the piano.
It can be removed at any time, and then paste use.
Without power, easy to install, cheap, pickup effect class
Can be mounted any acoustic instrument including Guitars, violins, Mandolin, Nanjo, Ukulele, dulcimer, pianos, horns, harmonicas to pick up voice!
Has the advantage of being able to eliminate interfering external sounds and not be influenced by sound reflections from nearby objects.

Specifications:
Cable length: Approx.31.5in
Jack: 1/4"
Color: Black & red

Package Included:
2 * Piezo contact microphone pickup