Meet the AT-01A from AROMA, a compact, clip-on digital tuner that brings studio‑level accuracy to your everyday practice and performances. Designed to cover multiple instruments in one portable package, it’s the smart, simple way to dial in perfect pitch on the fly.

Key features

• Versatile tuning support: Chromatic, Guitar, Bass, Ukulele, and Violin—easy to switch between instruments as you learn or perform.
• One‑button operation for fast, hassle‑free tuning sessions—perfect for quick setups between songs.
• Two‑color LCD backlight: green indicates in tune, white signals out of tune, providing clear, immediate feedback even in dim environments.
• Rotatable display for optimal viewing angle on any instrument or playing position, helping you tune without changing posture.
• Lightweight and portable: 18.5 g (0.7 oz) clip‑on design fits snugly on heads or scrolls without impediment.
• Precise tuning at 440 Hz with ±0.5 cent accuracy—great for both beginners and seasoned players seeking dependable intonation.
• Powered by a CR2032 battery (not included); easy replacement keeps you ready to tune anywhere.

Technical specifications

• Model: AT-01A
• Color: Black
• Tuning items: Chromatic (C) / Guitar (G) / Bass (B) / Ukulele (U) / Violin (V)
• Pitch range: 440 Hz
• Tuning accuracy: ±0.5 cent
• Power supply: 1 × CR2032 battery (not included)
• Item weight: 18.5 g / 0.7 oz
• Package size: 5.5 × 4.5 × 3.5 cm / 2.2 × 1.7 × 1.4 in
• Package weight: 30 g / 1.1 oz

What’s in the box

• 1 × Tuner
• 1 × User Manual (English & Chinese)

Note: The instrument shown in the picture is not included.