Mooer Slow Engine Guitar Pedal.

Description

Just like using a volume knob on a guitar, use the slow engine to cut off the sound head, and sound almost like a violin by slow the sound down!
Key Features

A unique effect which almost seems to slow the sound down
Sounds like a violin on steroids
Sensitivity and attack knobs help the player control the sounds
Full metal shell
Very small and exquisite
True bypass
Requires DC 9V Adapter power supply