A. Built-in dual speakers, shocking bass effect; B. The usb type-c interface can charge and connect to the computer at the same time. Using commonly used mobile phone and tablet computer adapters, it can power the electronic drum without purchasing additional adapters; C. Realistic timbre, simulating real impact effects; D. Can play pop, rock, Latin, electronic and other styles; E. The hi-hat is controlled by a pedal to simulate the real hi-hat effect, including closed hi-hat, open hi-hat, and pedal hi-hat sound effects; F. The floor drum uses pedal simulation, and the hands and feet are used together to practice more like a real drum, training good hand and foot coordination; G. Headphone output, you can practice without disturbing others; H.MP3 song input, simulates real percussion performance along with the song; I. Built-in Bluetooth connection function, you can play songs by connecting to your mobile phone or tablet; J. Built-in three-color lighting effects to simulate stage lighting display; K. Built-in high-capacity polymer lithium battery, which can be used continuously for about 10 hours after being fully charged; Product material: ABS+silica gel Product color: black Power supply battery: 1200mA lithium battery or adapter or power bank, which can be used continuously for about 10 hours.