Specifications: Product Name: Electric tooth cleaner Product Size: 21.5*2.5*2.5cm/8.46*0.98*0.98 inch Host material: ABS material Product color: black Built-in battery: 400 mAh [14500] Charging method: USB charging Rated voltage: 3.7V Standby current: 20ua Rated current: 200mA Wire power adapter: 5V Host power: 0.6W Charging time: 2 hours Waterproof rating: IPX6 Vibration frequency: 31000 times / min Charging time: about 2-3 hours Description: HIGH FREQUENCY VIBRATION CLEANING: This electric toothbrush adopts advanced high-frequency vibration technology with up to 31,000 vibration frequencies per minute, which is able to deeply clean the apperant of teeth, crevices, and gum line, and effectively remove plaque. IP6 RATED WATERPROOF DESIGN: With IP6 rated waterproof performance, you don't need to worry about water getting inside and damaging the motor even when you use it in the shower or bath. You can safely take it to the bathroom or poolside for use. EASY OPERATION & MULTI-SHIFT MODE: Just one button to activate and switch between different intensity levels (5 levels in total) to meet different oral needs. It is also equipped with a gear adjustment indicator, which is convenient for you to know the current working status at any time. Replaceable Steel Head: In addition to the three standard toothbrush heads, there is also an additional replaceable steel head. This special design allows users to choose different bristle hardness and shapes according to their personal preferences to achieve the best cleaning results. PORTABLE DESIGN: The compact and lightweight design makes it one of the travel essentials. It is easy to carry around at home or on vacation, and can last for a long time after charging to ensure your oral health is not compromised. Package: 1pcs Electric tooth cleaner