This hands-free percussion digital effect pedal is pre-programmed with five sounds: Pop, Doom, SDS, 808 Sub & Soft Kick. To play, just connect with a quarter-inch cable to an amplifier or PA system, then power-on. Sensitivity and volume dials let you control dynamics and sound levels. The strong steel pedal plate with weighted body provide a smooth, stable feel. Powered by a rechargeable lithium ion battery (battery included). Also comes with a USB-C charging cable. Great for multi-instrumentalists.