... Frequency:430-450Hz *Tolerance: ±1cent *Tuning Item:Chromatic,Guitar, Bass, Violin, Ukulele *Tuning Mode:MIC, CLIP *Semitone flat:b,bb *Tuning ... :430-450Hz *Tolerance: ±1cent *Tuning Item:Chromatic *Tuning Key:C,F,Bb,Eb *Tuning Range: A0(27.5Hz)-a3(1760Hz) *Tuning ... Battery 1 piece *Color: Black Tuning Item:Chromatic,Guitar, Bass, Violin, Ukulele