Features: 1) Product name: rechargeable electric toothbrush 2) Rotate to and fro in angle of sixty degrees 3) Changeable brush head 4) USA Dupont Tynex bristles 5) Voltage of charger: 110-240V, charger power: 2W 6) 1 x AA rechargeable batteries 7) Rotate speed: 6,000 times per minute 8) Waterproof 9) Thoroughly cleans the users teeth, especially the inner side and biting surface, using a duplex round brush 10) The brush head moves back and forth across the tooth 5,000 times/minute 11) Two brush heads, 1 brush body and one chargeable base included 12) Completely waterproof design Inner packing: blister