Features: Adjustable Tempos & Rhythms：According to different music styles, press buttons to choose beat (0,1,2,3,4,5,6,7,8,9), rhythms(9 patterns), tempos (40-208 beat/minute). Let you switch quickly between various music styles. Upgrade Voice: Using the latest IC voice chip to upgrade the function of human english voice beat, which better to practice with the beat. Accurate beat and easy to use, the sound is clear, the volume is loud and adjustable. Interesting Practice: The digital metronome comes with adjustable volume keys 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 keys 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 friend. Specifications: Material: ABS+Electronics Color: White/Black/Purple/Blue Package Weight: approx.200g Size: approx.140.6x69.3x44.6mm/5.53x2.72x1.75in (More Size Detail, Please See Photo.) Package Includes: 1 x Electronic Metronome Kits note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thanks!