Wittner Credit Card Metronome - Model MT40

MT40 CREDIT CARD METRONOME
- Convenient take-along size fits in shirt pocket
- 4 easy-to-use press-touch function buttons
- Visual LCD display plus audible beat
- Select pre-set beat and group-not settings
- A440 reference note for tuning
- Includes earphone jack
- Includes Lithium battery