GGP-01 Acoustic Guitar Sound Hole Pickup Dual Pickup Modes Piezo + Mic (with 4* CR2032 Batteries)

Features:
Acoustic guitar sound hole pickup for 36-42 inch classic guitars folk guitars.
Dual pickup modes(pickup stick Mic), and the volume of Mic can be adjusted.
With TONE VOLUME adjusting knobs, supports PHASE function.
Easy and quick installation, just hitch the pickup to rim of guitar sound hole, no need to cut holes on your guitar.
Exquisite metal plastic shell design, high-quality circuit board with shielded layer, low noise and strong anti-interference.