Recorder section Recording format Audio format PCM WAV, format (extension: .wav), 44.1 kHz @ 16 bit Available recording time Approx. 20 minutes (internal memory: 120 MB) Total number of tracks Up to 100 tracks Tuner section 12-note equal-tempered range Detection range C1 (32.70 Hz) - C8 (4186.01 Hz) Detection accuracy: less than ±1 cent Drum machine section Tempo range 30 to 252 beats per minute (BPM) Number of drum patterns 100 (8Beat: 12, 16Beat: 13, POP / ROCK: 13, JAZZ / FUNK: 9, WORLD: 11, DANCE: 8, FILL: 11, ODD METER: 9, METRONOME: 12, SONG: 2） Effects section Overdrive, distortion Other Connectors INPUT jack (1/4" mono), PHONES jack (1/8" mini stereo) Speaker Dynamic speaker (φ23 mm) Power supply Two AAA batteries (alkaline or nickel-metal hydride batteries) Battery life * (when using the speaker / when using headphones) Recorder: approximately 3.5 / 11 hours Drum machine: approximately 9/ 12 hours Tuner: approximately 11/16 hours *Continuous operation when using alkaline batteries with backlight off and volume at maximum. Accessories AAA batteries x 2 to check functionality, Rubber feet