Compact and simple to operate, the TU-03 puts two essential music tools within easy reach. It combines a chromatic tuner and metronome in one device that clips onto the headstock of nearly any stringed instrument, providing instant-access convenience everywhere you play. Packed with deep features not typically found in clip-on units, the TU-03 offers fast and accurate tuning performance with five different modes, plus advanced metronome functionality with a built-in speaker and numerous pattern/beat variations.

BOSS TU-03 Clip-On Tuner & Metronome Features:

• Tuning Range: A0 (27.5 Hz)--C8 (4,186.0 Hz)
• Reference Pitch: A4 = 430 Hz--450 Hz
• Tuning Accuracy: +/-1 cent
• Tuning Mode: CHROMATIC / GUITAR / BASS / VIOLIN / UKULELE C
• Flat Tuning: Regular--2 semitone lower
• Metronome tempo: 30--250
• metronome Rhythm: 8 Types
• Beat: 0--9Power SupplyCR2032 lithium battery x 1Current Draw30 mA (Metronome mode)
• 15 mA (Tuner mode)Expected battery life under continuous use8 hours
• Owners manual
• CR2032 lithium battery