You can practice your pitch and rhythm at the same time, or use just one function. The compact 4.37" × 2.91" × 0.71" unit is easy to use anywhere. The tuner features a range from C1-C8, "A" calibration 410-480 Hz, 3 octave reference pitch generator C3-C6, with an easy to read LCD needle-type meter. The metronome has a 30-252 BPM range with 5 rhythms, 3 tempo settings and a 10 beat range.