The Matrix MR500 Quartz Metronome is a must-have for musicians and students seeking precise timekeeping. With a tempo range of 40 to 208 BPM and an A=440 Hz reference tone, it's ideal for rehearsals and sight-reading. Keep time discreetly with the LED light or plug in headphones for a more immersive experience. Includes earphone for noisy environments. 9V Battery not included
