1.Tuning Mode: Chromatic, Guitar, Bass, Violin, Ukulele 2.If no signal presents for 5 minutes, it will shut-off automatically 3.Power:3V CR2032 battery
1.Tuning Mode: Chromatic, Guitar, Bass, Violin, Ukulele 2.If no signal presents for 5 minutes, it will shut-off automatically 3.Power:3V CR2032 battery