The manufactuer have passed GB4706.59-2008 CE/ROHS/ISO9001/ ISO13485 Features: 1. 23,000 strokes per minute 2. Intelligent sonic frequency, high efficiency 3. Waterproof IPX7 and non-slip design 4. One battery can last for 150 days, if you use twice a day, 2 mins per time 5. Changeable brush head and battery 6. Slim design, easy to carry Specification: 1. Material:ABS,TPE 2. 1 X AAA battery (Battery Not Include) 3. Dupont nylon bristle 4. Model: SG-663 Note:The bristles will be deformed after long time use, and the cleaning effect will be weaken, please replace the toothbrush head every three months. Package:1 x toothbrush with 2 toothbrush heads Customer Service: We will offer best customer service for everyone, if you have any questions, please feel free contact us, we will reply you as soon as possible.
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