Power and setup - It is easy to use. It can be powered by a USB power supply or battery. Just connect the foot pedal port, turn it on, and enjoy playing drums. Drum pad layout - Includes 9 drum pads: cymbals, open/closed hi-hat, high, snare drum, base drum, ride cymbal, low, floor. Construction and portability - Mainly made of silicone, durable and flexible in use. It provides excellent portability for playing whenever and wherever you like. Built-in playback and practice features - Provides multiple demo songs, drum styles, rhythms. Includes volume and speed control, plus recording and playback function, making it suitable for practice. Use scenarios - Home or studio practice: easy setup with USB or battery power; use the recording feature to track progress. - On the go or stage warming up: compact silicone design for portability and quick setup with a foot pedal. - Classroom or training environments: varies drum styles and rhythms for rhythm drills and skill development.