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Electric toothbrush for use by adults and children, has brush section that rotates at predetermined angle and predetermined angular speed, in which movement radius and angular speed of brush head is variably conceptualized before production
Electric toothbrush for use by adults and children, has brush section that rotates at predetermined angle and predetermined angular speed, in which movement radius and angular speed of brush head is variably conceptualized before production
The electric toothbrush has a brush section that rotates at 45-degree angle and with an angular speed of 80 times per second back and forth. The movement radius and angular speed of the brush section is variably conceptualized before production up to 50 percent in every case. The electric toothbrush also includes a housing, a toothbrush head, and a semi-circular axle center.
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