Acoustic String Instrument 3 Transducers Piezo Pickup

Features:
Fits for most string instruments such as acoustic guitars, ukulele, mandolin, etc.
To let your acoustic instruments turn into electric-acoustic ones.
With 3 transducers, stick it onto the instrument, minimize damage to instrument body.
6.35mm / 0.25in durable jack with black plastic jacket; pre-wired, no soldering required.
High Output - No Battery Required