Features: 1) Cartoon series especially designed for children 2) Battery: 2 x AA , battery operated 3) Rotate to and fro in angle of 60° 4) USA Dupont Tynex bristles 5) Battery lifespan: 450 minutes under normal conditions 6) Thoroughly cleans users teeth, especially inner side and biting surface, using duplex round brush 7) The brush head moves back and forth across the tooth 5,000 times/minute 8) Completely waterproof design Inner packing: blister, gift packing