E Tuner: Chromatic tuner!

Professional chromatic tuner for Piano, Guitar, Violin. (E Tuner is tuned relative to A446 Hz)Features: - High Accuracy 2 cent (0.02 semitone)- Tone generator (20 - 20 000 Hz)- Frequency meterTune your acoustic guitar with E Tuner free. This helps choice headphones which one offers best performance.