Warnings:

• Normal Working temperature 0-50°C.
• Please charging at normal temperature keeping the toothbrush in dry choosing a charger which outputs less than 5V,1A.
• If not in use for a long time should be stored it in a dry and cool area avoid direct sunlight and do not press.
• Put in a cool dry place if it is often used avoid direct sun exposure.
• Clean the toothbrush after each use and keep the brush head dry to avoid soaking in water covered with tooth cup for dust-proof.
• Do not work continuously for more than 10 minutes to avoid machine failure.