Thomann CTM-700, Metronome and Chromatic Tuner, Suitable for guitar, bass, ukulele and violin, Transpose function for C, F, Bb and Eb instruments, Voices via jack input (signal loop through), clip pickup or built-in microphone, Meter Mode (Auto) or Sound Out Mode (Manual), Tuning range: 430 - 450 Hz, Tuning accuracy: +/- 0.5 percent, Metronome: 30 - 260 bpm, 6.3 mm jack input, Headphone output: 3.5 mm jack, Volume control, Includes clip-on pickup and batteries (2x AAA)