Donner Rechargeable Clip on Tuner for All Instrument, Guitar Ukulele Bass Banjo Vionlin Mandolin Digital Metronome Tuner Tone Generator 3 in 1

Specifications: 3 In 1: Metronome, Digital Tuner and Tone Generator Tuning Instrument: Guitar, Bass, Violin, Ukulele, Banjo, Mandolin Tuning Keys: Chromatic, F, Bb, Eb Detection Range: 27.5Hz (A0)-4186Hz (C8) Tempo Range: 30-280bmp Tuning Mod: Clip on pick up Tuning Accuracy: ±1Cent A4 Calibration: 430-450 Hz Charging Voltage: 5V Auto Power: Ultra-low-power and auto power-off Power Supply: Built-in Rechargeable Lithium Battery(120mAH) Net Weight: 51g Caution: 1.Do not use alcohol, gasoline and other strong cleaning chemicals to clean the LCD screen or body case. 2.Do not hit or the body case or screen beside the top. Otherwise it will lead to machine failure. 3.Do not use or keep at high temperature, heat, humility place. 4.When the battery is insuffucuent, please use the charger to charge. 5.If the product is updated and improved, without notice change. Package included: 1 X Donner DT-4 3 in 1 1 X USB Cable 1 X Product Manuel