Features: This a small metronome that even with its small size produces a clear loud sound for convenientusage. With a builted in rechargeable battery, it can used for long durations and can rechargedusing the convenient USB adapter. Professional small digital metronome, universals for most instruments that need beating or tempos, easy to use. Clip design for convenient carry and easy to fix. Clear LCD display and indicators light, with "select" & "up" or "down" adjuster for Rhythm Types, Tempos, beating & Volumes. Specifications: Component: ABS Color: Light Blue/Light Pink/Red/Blue/Black/White Size: about 42x19x68mm/1.65x0.75x2.68inch Battery: 600mah battery Speed: 30-280bpm beating: 0.1.2.3.4.5.6.7.8.9 Package Includes: 1Pc Small Electronic Metronome note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.