Rubber surface that can be played with drumsticks, hands, or feet 22 Drum and percussion sounds 1 user sample importable - maximum 5 seconds length, WAV format 44.1 kHz, 16 bits, mono / stereo Pitch Control Regulator for reverb or delay 1/4 "mono jack output for connection to speakers or mixing consoles 6.3mm Stereo jack headphone output Micro USB socket for importing samples Can be operated with 4 AA batteries or with power supply (not included