Wearable Air Purifiers Clip Design Smooth Surface Widely Used Replacement Air Filter Face Shield Fan for Outdoor ActivityDescription:The new face shield can speed up air circulation and make you better suck fresh air, which is hygienic and healthy to use. Using this product can make the user feel comfortable and natural, which is very light and portable. Made of ABS and PP plastic, this product is wear-resistant and long-lasting. The length of this product is 7.16cm, width 3.5cm, height 1.95cm. Equipped with high efficiency, this product can low noise DC motor with static speed control function. Suitable for cycling, running, mountaineering and other outdoor activities. This product can charge mobile power and USB devices. Item Name: Wearable Air PurifiersMaterial: ABS,PP (Polypropylene)Voltage: 3.7vColor: White, BlackCharging Time: 4HMrated Capacity: 0.5W Battery Capacity: 300mAhPower Dissipation: About 0.5W Input Voltage/Current: DC5V/85M Power Source: DC5V 0.1A (While Charging)Features: small size, easy to install, replaceableUse Time: 2 modes, one mold takes 2 hours, intermittent wind mold takes 4 hours. Size Details:7.16cm x 3.5cm x 1.95cm/2.82" x 1.38" x 0.77" (Approx.) Notes:Due to the light and screen setting difference, the item's color may not be