Features: 1.PROFESSIONAL FUNCTIONS: The M50 is a mini professional metronome. Product features are rich, easy to use and operate 2.TAP FUNCTION: The product has the function of tapping beat speed, which can accurately test the beat speed in your mind or the beat speed of a song 3.APPEARANCE The product is designed with dual channel earphone output, the product has a clip and hanger hole on the back of the structure design, easy to fix 4.SCRATCH RESISTANT ABS: Using excellent ABS material, possess impact resistance, scratch resistance, environmentally friendly 5.STABLE AND DURABLE: Electronic metronome come with stable structure, excellent performance and long service life specification:Item Type: Electronic metronome Material: ABS Battery Type: Button battery Size: Approx. 11.8 x 7.8 x 2.5cm / 4.6 x 3.1 x 1in PackageList:1 x Electronic metronome