Package Including 1 MT1 Metronome Tuner2 AAA Batteries1 Clip Pickup Cable1 7-Language Manual Linrax MT1 Digital Metronome Tuner Metronome & Tuner & Tone Generator 3 in 1 Linrax MT1 digital tuner metronome combines a metronome, tuner and tone generator in a pocket size device. Equipped with large screen, speaker & microphone, cable jack detection, earphone output, volume wheel and folding kickstand, make the operation super easy. Exquisite packaging, it is perfect gift to your children or friends and help them to improve playing skills. Multifunctional: Metronome, Tuner and Tone Generator 3 in 1, portable and easy to carry. 5 Tuning Modes: C (Chromatic), G (Guitar), B (Bass), V (Violin & Viola), U (Ukulele).