Chord Instrument Chromatic, guitar, bass, violin, ukulele, banjo and wind instrument of F, Bb, Eb key. Perfect tuner for your stringed instruments.; Easy Stage Tuning, Clamp StyleThis guitar tuner can be easily clipped onto your instrument and easily tuned with one hand. The thick rubber pad on the clip protects the varnish of your instrument. Lightweight and portable with compact size. 360 Rotation Clip Tuner 360 degree rotation allows this tuner to rotate to any desired angle. A tuner with high contrast and a clear LCD screen provides excellent visibility. Fast and AccurateThe built-in high-sensitivity piezo pickup ensures extremely precise tuning. Tones are measured by determining the frequency of vibration, which is more accurate. The tuning range is from A0 (27.5 Hz) to C8 (4186.01 Hz).