Korg Miku Stomp Vocaloid Guitar Effects Pedal Range :E1 by which pace detection is possible (41Hz) - E6 (1,319Hz)  Source :eVocaloid  Joining terminal :Input terminal (monaural standard phone and Jack), Output terminal (monaural standard phone and Jack) and DC9V IN terminal A power supply: An AA battery-shaped, 2 alkaline batterieses or AC adapter (DC9V)  Battery life: About 5 hours  Consumption current :200 mA Overall size :74 (W) x 120 (D) x 50 (H) mm (A rubber foot is included.)  Mass :250 g (A battery isn't included.)  An attachment: An AA battery for operations checks-shaped, a dry battery 2 of x. Separate sale :AC adapter (KORUGU KA-181)