Korg MA30 Metronome Korg MA30 Metronome
Features

Highly visual liquid crystal pendulum
13 different rhythms are built-in so you can practice to more than a click track
Rhythms include duplets, triplets, triplets with inner beats omitted, quadruplets, and quadruplets with inner beats omitted
Twelve reference pitches C4 -B4 for you to tune to Adjustable calibration (438-445 Hz)
Adjustable volume
Tempo adjusts from 40-208 bpm
Tap function for setting the tempo
Earphone jack so only you can hear it
Memory backup function
Approximately 250 hours of continuous use
Dimensions: 4.09(W) x 2.52(D)x 0.59 (H) in.