Tuning item£ºGuitar,Bass,Violin,Ukulele Chromatic£¨C,F,bB,bE£© Tuning way£ºMIC or Pickup Tuning mode£ºManual,Auto Tuning range£ºA0(27.5Hz)-a3(1760Hz) A4 range£º430Hz-450Hz Accuracy £º1 cent Flat£ºb,bb,bbb,bbbb Metro speed£º30-250 beats/min Type£º-1/4,1/4,2/4/3/4,4/4,5/4,3/8,5/8,6/8,7/8,8/8,9/8 Rhythm£º Volume adjustment£ºL,M,S,Mute Tolerance£ºless than 0.5%. Tone generator£ºChromatic 1A-7A. Size£º76mm¡Á55mm¡Á34mm Weight£º48g Color£ºBlack Power supply£º1 x CR2032.