One-of-a-kind circuit bent interview-style tape player. Features two speed control knobs, the slow speed knob is controlled by a toggle to engage, two push button drones/synth tones, two-way toggle loops, drone knob that can be added to with the other control knobs when engaged, two modulation momentary buttons, and LED indicator. 3.5 mm output. Original volume controls intact. Runs on 4xAA batteries.