Features:<br>Mini in size and light in weight, easy to carry along.<br>2-in-1 design, works as mini electronic metronome and clock.<br>Fix on instrument stably with the clip.<br>Has volume controller and earphone connector to match your need better.<br>Good for the novices.<br><br>Specification:<br>Tempo range: 30-250bpm<br>Beat: 0/4, 1/4, 2/4, 3/4, 4/4, 5/4,3/8, 4/8, 5/8, 6/8, 7/8, 8/8, 9/8<br>Power: 1 * CR20362 (not included)<br>Product size: 5.5 * 2 * 2cm / 2.2 * 0.8 * 0.8in<br>Product weight: 20g / 0.7oz<br>Package size: 8.5 * 4 * 3.5cm / 3.3 * 1.6 * 1.4in<br>Package weight: 28g / 1oz<br><br>Package List:<br>1 * Metronome<br>1 * User Manual(English &amp; Chinese)