Features: Mini electronic metronome. LCD screen displays working information. Features clip and lanyard hole design for easy carrying and fix. Includes metronome mode and TAP mode. Tap mode enable you to test your tempo or tempo of a track. Supports stereo earphones. Suitable for guitar, piano, violin etc. Specifications: Material: ABS Size: Approx.55.8x32x12.9mm/2.20*1.26*0.51inch Color: white/black/red/yellow Tempo: 30 to 280bpm Beat value: 0,1,2,3,4,5,6,7,8,9 Accuracy: 0.001 Power by: 1 x 2032 button battery(included) Packing List: 1 x Mini Metronome