Korg, the company that invented the first hand-held electronic tuner, has now created the world's smallest metronome. The Korg MM-1, an on-ear micro metronome, is only slightly larger than an earring, but packs all the functionality you could want for rhythm training.

Features
World's smallest, lightest metronome

Unique design, there's nothing else like it

Digital accuracy and everything you need for complete rhythm training

Fits comfortably on your ear. Only you can hear it.

Sets tempo over range from 40 to 208 bpm

1/4, 2/4, 3/4, 4/4, 5/4, 6/4, 7/4 time signatures

Duplet, triplet, and quadruplet beats

Long life lithium battery for cable-free use (battery life 500 hours)