1The bottom is nonslip, make your drum learning and exercise easier, lightweight and portable, easy to carry, and easy to use. 2Accurately test your temp, the digital LCD screen is convenient for reading data. 3The surface is made of highdensity and highelastic rubber, which has a good hand feeling and no vibration. 4Have multiple functions, not only a dumb practice pad, but also a metronome practice tool. 5The output volume is adjustable, so you can play with other musicians, practical and useful.