The TU-05 brings reliable and accurate tuning to the headstock of your favorite stringed instrument, with a large, high-contrast color display and four different tuning modes. A long-lasting rechargeable battery is built in, eliminating the cost and hassle of battery swaps.

Boss TU-05 Clip-On Tuner
Large Color Display and Rechargeable Convenience
The TU-05 brings reliable and accurate tuning to the headstock of your favorite stringed instrument, with a large, high-contrast color display and four different tuning modes. A long-lasting rechargeable battery is built in, eliminating the cost and hassle of battery swaps.

Standard Features
Compact and accurate clip-on tuner with high-contrast color display
Four tuning modes: chromatic, guitar, bass, and ukulele
Adjustable calibration from 431 to 449 Hz
Rechargeable battery with up to 10 hours of continuous runtime
Auto power off feature conserves battery life when not in use
USB cable included for charging with a standard USB power adaptor
High Visibility in Every Environment
The TU-05 features a large color display with super high-contrast, offering great visibility for quick tuning anywhere you play, from dark stages to bright sunlight. The rugged, padded clip provides secure mounting on your instrument’s headstock, and the display can be easily swiveled for the optimum viewing angle.