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AT-01A is a portable digital tuner designed for guitar, bass, ukulele, and violin. Comes in a small size with mount clamp, it is portable to carry and easy to fix on instrument. 2 colors of backlight and 3 indicators indicates tuning status, it is a great choice for both beginners and professionals to tune precisely.

2 Colors of Backlight

Green in tune, white out of tune.

3 Kind of Tuning Indicator

Pointer to the left side with blue light on indicates that the tone is low, pointer in the middle with green light on means tuning precisely; pointer to the right side and blue light on when the tone is high.

Sensitive and Stable Tuning

High precise detection and sensitive vibration clip. Designed for beginners and professionals.

Auto Power Off

The digital tuner will turn off automatically if there is no signal present or operation in 3 minutes.

360 Degree Rotatable

Match your needs better. It will be a good choice for you to keep your instrument in tune.

Wide Usage

Made with ABS plastic, it can be used for the tuning of guitar, chromatic, bass, violin, viola and ukulele.

Small and Portable

Comes in small size, convenient to carry. With a mount clamp, it is easy to fix on the instrument.


Model AT-01A
Material ABS
Tuning Accuracy +/-0.5 cent
Pitch Range 440Hz
Power Supply 1 x CR2032 button cell (included)
Product Weight 20g
Product Size 29 x 75 x 50mm
Package Contents 1 x AROMA AT-01A Digital Tuner, 1 x User Manual

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