Garett Beauty Clean sonic facial cleansing brush is a handy and easy-to-use device that will help you get radiant skin. Just a few minutes a day for a couple of days and you'll start seeing positive changes in the condition of your skin. It is that simple! IPX7 waterproof!Safety of use is absolutely essential. This is why our sonic facial cleansing brush is IPX7 waterproof. This means it is moisture- and splash-proof, so it can be safely used in your bathroom. You can even use it in the shower to save time on a busy morning! 2 types of FDA-certified silicone bristles The surface of Beauty Clean sonic facial cleansing brush is made of certified silicone. This makes it hygienic and completely safe – it does not cause irritation or allergies like certain other materials. The 2 types of bristles have been designed to allow you to easily massage specific areas of your face. Water resistance IPX7 Vibration frequency 8000/min. Power 1W Power source built-in battery (rechargeable) Charging voltage 5V/1A Battery capacity 300 mAh