electronic metronomeDigital metronome for all instruments - guitar, piano, bass, violin, ukulele, chromatic and more.FeaturesAccuracy - Electronic metronomes play accurately, as do all electronic products.Digital Display - The large LCD display gives you a very accurate and easy-to-read digital display. All buttons are sensitive and the display is accurate.2 ways to power - Can be powered by a USB-C cable (included) or by 3 AAA batteries (also included).Volume Control - Use the volume control to adjust the volume, or plug in headphones for privacy, it's quite loud at maximum, but connect any audio amplifier for even more volume.Portable - small size, 14*7*4cm, can be held with one hand, easy to carry.Classic Design - Classic pyramid design, retro and practical.Durable - Mechanical metronomes are easily damaged, while our electronic metronomes are more durable.Anti-slip design - Two rubber pads are designed on the bottom to prevent sliding and maintain stability.packing list:Metronome*1Instructions*1Data cable*1