Metronome Tuner Clipon Rechargeable 2 in 1 Multifunctional String Instrument Tuning Device Item Type: Metronome Tuner Material: ABS Tuning Items: Guitar, bass, ukulele, violin, banjo Pickup Mode: Vibration pickup Tuning Range: 27.5Hz(A0)-4186Hz(c8) Tuning Accuracy: ±1 cent A4 Benchmark: 430-450Hz Tuning Range: 1A-7A Beat Value: 0-9 Beat Speed: 30-280bmp Battery Type: Rechargeable lithium battery (include) Battery Capacity: 120mAH How e: 1. Long press the power button to turn on/off; if there is no signal input or other operations for 3 minutes, it will enter the power saving mode or automatically shut down. 2. In the power-on state, long press the "M/T" key to switch between tuner mode and metronome mode. 3. When the display state is the metronome mode, short press the "M/T" key to change the Beat value; short press the "♫/b" key to change the rhythm type; short press the "◁" key and "▷" key to select the speed value; Short press the power button to pause or start the beat. Long press the "♫/b" key to change the volume of the metronome. 4. When the display status is the tuner mode, short press the "M/T" key to switch the tuning items, and lightly press the "♫/b" key to set the number of semitone tunings (only for guitar and bass instruments) Under the sound). Tap the "◁" key and "▷" key to change the A4 benchmark, and long-press the key to switch quickly.