Spec: Item Type: Facial Cleansing Brush Material: Silicone, stainless steel, electronic components Built in Battery: lithium ion battery 400mAh Charging Voltage: 5V Operating Voltage: 3.7V Operating Temperature: 65?±20% Size: Approx. 80 x 80 x 42.5mm / 3.1 x 3.1 x 1.7in Gear: 3 gears Usage: Face washing, auxiliary mask introduction How to Use: Press the power button to start/shut down; After starting up, press the speed adjustment button to adjust the speed of the third gear; After startup, press the heating button to turn on the heating function. Work instructions: Power key light: product power; Heating key light: start heating, working temperature 65°C. Vibration key light on: start vibration, three levels can adjust the vibration. About charging: When the power is low, the power indicator flashes, during the charging process, the power indicator lights red, and the green light is full. Cleaning and maintenance: 1. Wipe with wet wipes and paper towels after use; 2, two hours can be charged saturation, can be used about 50 times. PackageList: 1 x Facial Cleansing Brush 1 x USB Cable 1 x Instruction BookHeat Zone: It can be used to enhance mask absorption. By combining 5 levels of heat energy, it helps to deliver nutrients deeper into the skin for a more radiant and youthful complexion. Silicone Material: The material is skin friendly. Making it and hygienic for all skin types, including sensitive and prone skin. Soft Brush: It comes with a silicone brush head that is gentle yet effective on the skin. It can be used with a cleanser to gently exfoliate and cleanse the skin, leaving it feeling soft, smoothness and radiant. High Vibration: It can penetrate deep into the pores to remove dirt, oil, makeup , and dead skin cells. With its waterproof design, it can be used in the shower or bath, making it convenient and easy to use. Deep Cleaning: It is designed to fit the face, allowing for a deep and thorough cleanse. By removing impurities from deep within the pores, it helps to reveal youthful looking skin.