Description: 【Tempo Control】: Piano Metronome, offers an adjustable tempo range from 30 to 280 BPM with 0.1% accuracy, supporting multiple time signatures (including 1/4, 2/4, 3/4, 4/4, and more) for practice across piano instruments 【10 Distinct Sound Options】: Features ten unique beat sounds including voice count, digital tone, woodblock click, mechanical , drum, cowbell, rimshot, agogo bell, conga drum, and hat, ideal for customizing your rhythm training experience 【 Connectivity】: Seamlessly connects via with stable wireless performance up to a distance of 10 meters; great for classroom teaching sessions or outdoor performances without cable limitations 【Portable Design】: Compact size (7.3 cm x 5.8 cm x 12.2 cm/2.87 inch x 2.28 inch x 4.80 inch), this metronome is lightweight yet sturdy, easy to carry between lessons or rehearsals. Built in battery provides up to 20 hours of continuous use; easily rechargeable via included USB cable so you can practice anywhere without worrying about power 【Material】: Crafted from ABS material, designed to withstand regular use while maintaining its functionality and beauty. The package includes main unit, user manual, and charging cable Size Chart: 7.3 cm x 5.8 cm x 12.2 cm/2.87 inch x 2.28 inch x 4.80 inch Package Includes: 1 Metronome  1 Manual 1 USB Cable Note: Please allow slightly errors due to manual measurement and different monitors.