BFRIEND F9 Acoustic Guitar Soundhole Pickup Piezo + Microphone Double Pickup

Features:
Acoustic guitar Soundhole pickup designed for classic guitars folk guitars.
Piezo stick microphone double pickup ensure more excellent acoustic guitar tone and deeper tapping sound.
With tone volume adjusting knobs, supports phase function, and the mic volume can be adjusted also.
Built-in rechargeable lithium batter, which can be quickly recharged by the included USB cable.
Easy and quick installation, just hitch the pickup to rim of guitar sound hole, no need to cut holes on your guitar.