Adjustable Tempo & Rhythms:According to different music styles,press buttons to choose (0,1,2,3,4,5,6,7,8,9), rhythms(9 patterns), tempo(40-208 /minute). Let you switch quickly between music styles. Upgrade Voice: Using the latest IC voice chip to upgrade the function of human english voice ,which better to practice with the . Accurate beat and easy to use, the sound is clear, the volume is loud and adjustable.Bring you a better experience. Interesting Practice: The digital metronome comes with adjustable volume key and scientific timing design (15 minutes, 30 minutes, 45 minutes, 60 minutes). Easy one-touch operation and an easily-readable LCD display makes practice is much easier. Power Saving Function: When this electronic metronome is in standby mode or no operation for more than 15 seconds, the screen will automatically turn off, press any key to light the screen. Universal: This electronic metronome for piano is also suitable for guitar, violin, bass, ukulele, drum and other instruments, it is the best gift for family and friends. size: 140.6 x 69.3 x 44.6mm Material: ABS colour: black Package Contents: 1 x Electronic metronome Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.