The Snark Chromatic All-Instrument Tuner provides a solid connection to your instrument or music stand, precise tuning, and advanced features too! Its full color display makes it fast and easy to tune, plus it's got a tap tempo metronome, pitch calibration, and a transpose feature. Use the Snark tuner's built-in mic or internal vibration sensor to tune your instrument quickly and accurately. Full color display rotates 360 degrees for easy viewing. Stay-put clip - Tap tempo metronome - Transpose function - Pitch calibration (415-466Hz) High-sensitivity vibration sensor - Built-in mic - Extended frequency range suitable for all instruments.