EMT-380 Clip 3-in-1 Metronome Tuner Tone Tuning item: Guitar, Bass, Violin, Ukulele Chromatic (C, F, bB, bE) . Tuning way: MIC or Pickup . Tuning mode: Manual, Auto . Tuning range: A0 (27.5Hz)-a3 (1760Hz) . A4 range: 430Hz-450Hz . Accuracy:  1 cent . Flat: b, bb, bbb, bbbb . Metro speed: 30-250 beats / min . Type: - 1 / 4, 1 / 4, 2 / 4 / 3 / 4, 4 / 4, 5 / 4, 3 / 8, 5 / 8, 6 / 8, 7 / 8, 8 / 8, 9 / 8 . Volume adjustment: L, M, S, Mute . Tolerance: less than 0.5% . Tone generator: Chromatic 1A-7A . Color: Black . Size: 2.99" x 2.17" x 1.34" . . Package Includes . 1 x EMT-380 Clip 3-in-1 Metronome Tuner Tone . 1 x CR2032 battery . 1 x User munual