A. Without speaker, support headphones, audio
B. Two condolences, one hi-hat, one rhythm, one snare drum, three gongs, one bass drum
C. Built-in rhythm and demo songs
D. Sound and speed can be adjusted
E. Two power supply modes (A; USB5V B; two AA batteries C: BL-5C battery D: power adapter power supply)
F. Packaging contains
Drum*1 Drumstick*2
Instruction manual*1 Data line*1
Adapter*1 foot pedal*2