Dual-channel Mini Metronome LCD Digital Beat Tempo Metronome Clip-on Pocket Metronome Piano

Label:Yes Material: Plastic Tempo Range: 30~280 Bpm Beat: 0~9 Earphone Jack Dimension: 3.5mm(0.14in) Item Size: 5.7*3*1cm(2.24*1.18*0.39in) Accuracy: +-0.001 Power Supply: 1 * 3V(2032) Battery(Not Included) Product list:1pc Metronome Note: The guitar is not included. The battery is not included.