Features: 1. Composite filter element, high-efficiency filtration, activated carbon adsorption function, effectively isolate nearly 99.98% of dust in the air, including odor, volatile compounds, smoke, pet dander, dust, etc. 2. The touch key design makes the operation more convenient, and the filter element can be replaced. 3. Double air inlet design, three-dimensional air circulation purification, large-scale purification, which can meet the purification area of 15-25 square meters. 4. Comes with ambient light design to create a warm atmosphere. 5. Low noise design, does not disturb your sleep or reading. Specifications and Parameters: Material: ABS+Silicone+Electronic components Product size: 6*6*13.2cm Colors: White, Black Working voltage: 5V Rated power: 1W Working current: 260mA (MAX) Applicable area: 10m Negative ion concentration: 300W Filtration efficiency: 99.98% Noise: below 36dB Power supply mode: type-c data line power supply Switch Type: Tact Switch Product introduction: High-quality filter element, negative ions cooperate with high-speed fan to pass through smooth air duct, large air volume absorbs and filters, solves various pollutants floating in the air, and refreshes the air Operation method: 1. Connect the Type c power cable, click the button to start working, at this time the night light is turned on by default 2. Double click the button to turn off the night light 3. Click the button again to turn off the air purifier Filter replacement method: Unplug the product base, take out the filter element, replace it with a new filter element, and put it back on the product base Precautions: 1. When cleaning this product, please do not wash it directly under the faucet to avoid short circuit of the product. It is recommended to use a soft cotton cloth to wipe it. 2. It is recommended to replace the filter element of the product every 6-9 months 3. When the machine is working, there will be 15db noise, please pay attention to precautions, this product is not a toy 4. The size of this product is purely manual measurement, the size has a slight error of 1-2cm, thank you for your understanding Product List: Purifier + type c data cable + filter element + English instruction manual (if you buy the filter element separately, you will only receive the filter element)