... silicone 3,eco-friendly 4,CE ROHS FCC 5, Christmas gift (1).ON/OFF : Press ON/OFF to switch on/off ... : Press STUDY to enter into study mode. The demo songs for corresponding six keys are: samba, march, mambo, disco, dance, rock ... include:drumx1,AC adapter x1,Drum Stick x1Inner Packing: 1pc/gift boxOuter Packing: 6 pcs/CTNCTN size: 67x 42.5x 25 ...