Smart Electric Mask, Usb Charging,for Adults And Children White

1. [Small size, light weight, portable] The size of the respirator is 107x95x67mm, suitable for head circumference: 17.7-20.47 inches, and the weight of a single mask is 0.18 pounds. It is suitable for indoor and outdoor travel, trains, airports, streets and Any other public places. Note: Please read the product size carefully before buying.2. [Automatic air supply] The built-in mini fan helps to breathe freely. It is comfortable to use and more protective than traction masks, especially suitable for extreme and high-strength workplaces. It can work for 4 to 8 hours after being fully charged.3. [Comfortable design] 3D face engineering structure design-comfortable to wear, no pressure, using skin-friendly silicone, skin-friendly veneer is lightweight, 360-degree protection of your health. The mask can be wiped with a damp towel or alcohol with a disinfectant cotton cloth4. [Replaceable high-efficiency four-layer filter] It is composed of four layers of non-woven fabric, melt-blown fabric, activated carbon and non-woven fabric from the inside to the outside. The filtration rate is 98%, corresponding to various pollutants of different sizes, and can lock all kinds of harmful particles in the air with a particle size less than PM2.55. Two wind modes, soft switching drive technology, low driving noise, soft air supply, low vibration and low noise.Rated voltage: 3.7vCharging voltage: 5VNoise: 55dBWorking environment: 20-45CWind speed: 1.5ms (light wind)Charging time: 2-2.5 hoursBattery workload: 4-6 hoursApplication: AdultFunction: electric air supply/anti-fog/anti-formaldehyde/anti-dust/anti-PM2.5Power supply mode: USBBattery capacity: 760mahWind speed: 2 filesFilter elements: 4 layersPower supply: rechargeable lithium batteryMask life: 2-3 yearsPlease be kindly noted, the listed product is produced and distributed abroadand subject to the laws of its country of origin.Material:ABS+siliconecolour:WhitePackage Contents:1 * Smart mask2 * filter elements1 * headband1 * charging cable1 * dust bagOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 1. The material of high-quality goods is good. 2. The style is novel and unique, and is deeply loved by consumers. 3. It is practical and can stand the test. There are many repeat customers. 4. Will ship within 48 hours 5. Delivery within 4-10 working days