Donner Mechanical Metronome DPM-1 For Musician Guitar Piano Drum Violin Track Beat And Tempo Black cocoon a plastic used in bullet

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Wire Length : 2

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0b Features:✔ 18Gbs bandwidth ✔ 4K / Ultra HD

Donner Mechanical Metronome DPM-1 For Musician Guitar Piano Drum Violin Track Beat And Tempo Black cocoon a plastic used in bulletDonner Mechanical Metronome DPM 1 For Musician Guitar Piano Drum Violin Track Beat And Tempo Black Color: Black Specifications: Color: Black Material: Plastic + Copper Movement Material: Full Metal. Casing Style: Classic Pyramid Tower Style Precision: Spring Mechanism Tempo Range: 40~208bpm Tolerance: Less Than 1%. Beats: 0,2,3,4,6 Size: 33115205mm Net Weight: 525g Caution: 1. Use a tool into the groove on the bottom , then open it; 2. Open the bottom