The KORG TM-70 tuner/metronome and CM-400 contact microphone combo provide you with an all-in-one tuning and rhythm training solution. With a wide pitch range and ultra-responsive LCD needle meter, you'll achieve precision tuning for your instrument. The metronome's clear sound penetrates noisy environments so you can keep solid time. Attach the CM-400 contact mic directly to your instrument for the most accurate tuning—it transmits vibrations straight to the TM-70. Whether you play woodwinds, strings or other instruments, the TM-70 and CM-400 help you develop flawless intonation and an unshakeable sense of rhythm. This combo gives you a portable, pocket-sized partner for consistent practice and performance.