Chord Instrument Chromatic, guitar, bass, violin, ukulele, banjo and wind instrument of F, Bb, Eb key. Perfect tuner for your stringed instruments. Note: The old version and the new version only differ in the outer packaging, the content is the same.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 polish 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 display provides excellent visibility.Fast and AccurateBuilt-in high-sensitivity piezo pickup ensures extremely accurate tuning. Tones are measured by determining the frequency of vibration, which is more accurate.