Portability: The flexible mat design allows the drum set to be rolled up for easy storage and transport.
Functionality: It often includes multiple drum sounds, rhythms, demo songs, and the ability to record and play back audio.
Connectivity: These sets can be powered by batteries or USB and often feature audio input/output for headphones or external speakers, and connectivity to MP3 players.
Accessories: They usually come with drumsticks and foot pedals for the bass drum and hi-hat.