Tuner With Metronome and Tempo range is 30-280bmp with Beat range 0-9. NO WORRY TO REPLACE BATTERIES ANY MORE. The tuner watches the power volume on the screen and can be quickly charged in just 1.5 hours with USB charing. MORE PRECISELY TUNING YOUR INSTRUMENTS. USE THE SAME TUNER FOR MULTI INSTRUMENTS. With highly sensitive piezo sensor inside, the tuner picks up vast range of frequencies, especially low frequency, and is fast accurate to tune instruments like acoustic electric claical and steel guitars, 7 and 12 strings guitars, ukuleles, mandolins, banjos and ba guitars. TUNE YOUR INSTRUMENT UNDER A DIFFERENT PITCH. With great function of pitch calibration ranging from 430Hz to 450Hz, you can easily and fast to tune your instrument under a different pitch. EASY TO USE UNDER ANY LIGHTING CONDITIONS. Sharp and bright, colorful graphics allow you to easily see whether you're out or in tune from any angle in different light situations. Dual 360 degrees rotatable clip flexible for both right- and left-handed musician to read the screen from any angle. Turning mode Clip on pick up Tuning range: AO(27.5Hz)-4186Hz(c8) Tuning Accuracy: 1 cents A4 Calibration: 430-450Hz Pickup pattern: Vibration Tuning Instruments: Any string instrument Screen: Color Screen Battery: Rechargeable 120mAH Colour: Black Material: plastic Package Contents: 1 * Clip-on Tuner Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.