Item Type: Electronic roll up drum Material: Silicone, plastic, pine Battery Type: 3.7V lithium battery 2000mAh (built in) Package List 1 x Electronic Roll Up Drum 2 x Drum Sticks 1 x Foot Pedal Assembly 1 x Charging Cable 1 x Chinese English Manual 1Support Games: Connect via musical instrument digital interface to your computer or smartphone and enjoy playing drum games. Learn and have fun while increasing your drumming skills through interactive gameplay. 2Portability: Take electronic drum set with you to enjoy outdoor activities, parties, gatherings, or teaching sessions. Compact and portable design allows you to rock the crowd anywhere you go. 3Easy Power Supply: Equipped with a rechargeable lithium battery, the drum set provides a long standby time of up to 15 hours, making it convenient for drummers on the go. 4Enhanced Double Speaker Design: Experience extraordinary sound quality with the built in high fidelity double speakers. No need for external speakers, enjoy loud and magnetic audio with clear and distinct levels. 5Silicone: Drum pads are made of high density environmentally friendly silicone material, which is waterproof, shockproof, and durable. It offers excellent elasticity and flexibility.