- Model: JM-90
- Plastic case material
- 3.5mm mono audio jack
- Display: 8-LED red/green lights
- Modes: Metro1, metro2, sound
- Tempo range: 40~216BPM
- Beat: 0, 2, 3, 4, 5, 6
- Generator mode: B2-C6 (total 40 notes)
- A4: 440~445Hz
- Accuracy: metronome +/-0.1%, sound +/-1%
- Powered by 1 x 6F22 9V battery (included), or by external 9V power
- Comes with leather pouch & Chinese/English manual