Tempo Metronome, Easy to Use Digital Metronome, Mini Metronome, Trap Drum for Beth for Piano Guitar Specification: Features: Multi-functional, easy to use. Tap function enables you to test your ideal tempo or tempo of a track. The back of the product has the clip and the sling hole structure design, easy to fixing and carry. The product design has double channel headphone output. The M50 is a mini professional metronome. Specifications: Condition: 100% Brand New and High Quality Material: Plastic Color: Black, White, Blue, Yellow, Red (optional) Size: Approx. 5.5 x 3.2 x 3.5cm / 2.1 x 1.2 x 1.3inch Power Supply: 1 x 3V 2032 Button Cell (not included) Tempo: 30-280bpm Beat Value: 0-9 Accuracy: +/-0.001 Weight: Approx. 30g Packing List: 1 x Tempo Metronome