PROFESSIONAL FUNCTIONS: The M50 is a mini professional metronome. Product features are rich, easy to use and operate 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 APPEARANCE FEATURES: 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 SCRATCH RESISTANT ABS: Using excellent ABS material, possess impact resistance, scratch resistance, environmentally friendly STABLE AND DURABLE: Electronic metronome come with stable structure, excellent performance and long service life