Features 1、3 in 1 Design: The device combines a tuner, metronome and tone generator, and is designed for beginners and professionals alike for daily practice and stage performance, compact and practical. 2、Upgraded Metronome: Upgraded human voice rhythm function for better practice with rhythm. 30‑250 beats per minute, 0‑6 beats per measure, with a wide range of tapping rhythm, improving rhythm in a rich music type. 3、Accurate Tuning: Advanced intelligent movement ensures that your instrument is tuned quickly and accurately. It has a wide range of A0‑C8, various tuning modes, pitch settings, and pitch calibration to meet more needs. 4、Multiple Functions: This metronome is equipped with large LCD color display screen for easy reading. With LED indicator, volume adjustment, HD speaker, Mic and input jack detection, headphone output jack, and folding stand. 5、Battery and Use: Built in 3.7V 500mAh lithium battery, providing lasting endurance without the need for frequent replacement. Suitable for guitar, bass, violin, ukulele, and other instruments, allowing you to practice in your preferred environment. Specification Item Type: Automatic Tuner Metronome Product Material: ABS Battery: 3.7V 500mAh Lithium Battery (built in battery) Tuning Range: A0(27.5Hz)-C8(4186.0Hz) Tuning Items: Twelve Tone Equal Temperament, Guzheng, Guqin, Pipa, Yangqin, Erhu, Banhu, Jinghu, Zhongruan, Horse Head Fiddle, LiuQin Tuning Modes: Manual Tuning, Automatic Tuning A4 Value: 430-450Hz Tempo Adjusting Range: 30-250 Beats/Minute Tempo Selection Range: 0(0/4), 1(1/4), 2(2/4), 3(3/4), 4(4/4), 5(5/8), 6(6/8) Sound Mode: Electronic Sound, Human Voice Count Beat Package List 1 x Metronome 1 x Pickup Clip 1 x USB Charging Cable