: The tuner with metronome and tempo range is 30-280bmp with a rhythm range of 0-9.* Don't worry to replace the batteries anymore: The tuner watches the power of the volume on the screen and can be quickly charged in just 1.5 hours with USB charing.* Tune your INSTRUMENT under another pitch: With a great calibration pitch function ranging from 430Hz to 450Hz, you can easily and quickly tune your instrument under another pitch.* Easy to Use: Dual 360-degree rotating clip flexible for both right-handed and left-handed musicians to read the screen from any angle.* Use the same tuner for multiple instruments: With a highly sensitive piezoelectric sensor inside, the TUNER picks up a wide range of frequencies, especially low frequency, and is quickly accurate, to tune instruments such as classical and steel acoustic electric guitar, 7 and 12 guitar strings, ukulele, mandolin, banjos and bass guitar. Specifications:Tuning Range: AO(27.5Hz)-4186Hz(c8)Tuning Accuracy: 1 CentA4 Calibration: 430-450HzPattern Pickup: VibrationTuning Instruments: Any Stringed Instrument Screen: Color ScreenBattery: 120mAH Battery: BlackMaterial: PlasticPackage Included:1 * Tuner Clip-on