Details: Keep the entire orchestra in tune with the Korg AW-3M tuner. This clip-on tuner is designed to handle a wide range of orchestral and concert band instruments. It features a double ball-joint, so you can easily clip and adjust it to any instrument. The AW-3M features an internal backlight for discreet tuning in low-light stage environments. It also has a built-in metronome for rhythm training. Choose the key of C, F, B-flat, or E-flat for use with any instrument. Get the orchestra in tune today with the Korg AW-3M.