Specification: Item Type: Roll Up Drum Kit Material: Silica Gel + Maple Colour: Black and White Power Supply: USB or 2 x AAA Batteries (Delivered without Batteries) Package List: 1 x Drum Kit 1 x USB Cable 1 x Description 1 x Pedal 2 x Drum Stick 1. Electronic percussion drum is a kind of drum through the USB interface, which allows all sounds to be transmitted from your computer. 2. This is a hand rolled drum set that can be rolled into a small size. You can set up and select music directly, create your own music and share with your friends. 3. The hand rolled drum kit can create tracks on its own, and the drum appearance has a real sense of strength, allowing you to have a real drum kit experience.