D'Addario Nexxus 360 Rechargeable Viola Tuner

The Nexxus 360™ Rechargeable Viola Tuner provides fast, accurate tuning with a full-color LED display and 360-degree adjustability. It offers up to 24 hours of tuning time and is optimized for viola and other orchestral stringed instruments.

• The description claims the tuner offers the fastest, most accurate tuning.
• The description claims it can tune in noisy environments.
• The description claims it offers up to 24 hours of tuning time per charge.
• The description claims it has an auto power-off setting.