Reddit reviews Mini Digital Metronome, Multifunctional, Portable, Volume Adjustable, Clip on, with Speaker, Beat Tempo, with Battery for Piano, Guitar, Saxophone, Flute, Violin, Drum (Black)

Tap function: enable you test your ideal tempo or tempo of track, tempo range from 30 to 280 bpmConvenient to operate: easily fixed on a suitable place by the back side clip, the battery placing zone is easy to remove with a little effort, the front side designed with 5 buttons, press on the on/off and turn the device on, the select and up/down button is adopted to cycle through the functionsAccuracy: ±1/1000 (one thousandth); Beat value: 0, 1, 2, 3, 4, 5 ,6, 7, 8, 9; Volume adjustment: maximum volume, medium volume, minimum volume, mutePower supply: 3V cell battery x 1 piece (package included), battery model: CR2032Universal earphone jack: stereo earphone jack is available (3.5 mm), besides, you can easily change between TAP function and Metronome mode, an specific instruction is included