Harley Benton Talk Box, Effect for Electric Guitar and Keyboard, The sound can be shaped by mouth, Gain, tone, output controls, Jack connections (6.3 mm), On-off switch with LED display, True bypass, Dimensions: 136 x 62 x 191 mm, Weight: 1.7 kg, The effect is generated by the built-in membrane, Through a hose, the sound can be modulated by the movements of the mouth and taken off via a microphone (not included), Includes 12V 2A DC power supply (2.1mm, plus internal) and hose