The clip-on TU-01 is the most affordable tuner in the trusted BOSS lineup. Small, durable, and simple to use, it provides convenient, reliable tuning right on your instrument’s headstock. A bright, attractive display features a cool digital meter and note indicator, plus two lights that show when you’re perfectly in tune. The TU-01 also adjusts for different viewing angles and folds down for easy transport in your case or gig bag.
Tuning Range: A0 (27.5 Hz) --C8 (4,186.0 Hz)
Reference Pitch: A4 (440 Hz only)
Tuning Accuracy: +/- 1 cent
Tuning Mode: Chromatic / Guitar / Bass / Ukulele
Control Power: switch / Mode switch
Display backlit: LCD
Power Supply: CR2032 lithium battery x 1
Current Draw: 6 mA
Expected battery life under continuous use: Approx. 25 hours
Auto off function: Approx. 7 minutes
Accessories: Owner's manualCR2032 lithium battery
Package Weight: 0.11 lbs
Box Dimensions (LxWxH): 3 x 2.25 x 1.55"
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