Features: brand new and high quality This Mask Fan is a compact air purifier that brings for fresh, cool air with you, wherever you go. You simply clip and insert it into your mask and breathe for fresh, cool air. Turn your face mask into a respirator mask This mini air purifier clips it can easy to attach to your mask. Clip it on and off almost any mask. If you're working out or just on the go, it'll stay securely in place. Breathe for fresh air with Face Mask Fan. It's engineered to bring you a cool flow of air whenever you need it. Using a for Nano Silver Coated Filter and 2 super-quiet fan speeds. It keeps you for fresh and the air flowing. The filtered face mask fan is powered by USB rechargeable battery. That's up to 4 hours of non-stop cooling from a single change. Making sure you breathe for fresh air wherever the wind takes you. Transform your standard mask into a for smart mask with a fan. Weighing only 0.1kg you'll hardly feel like you are wearing anything. Its lightweight, pocket-sized design makes it the perfect face mask with fan for working, traveling or as for an outdoor running mask. It's the clip-on for smart fan for anyone who wants to breathe for fresh air. Specifications: Material: ABS Size: approx.7.14x3.35x1.85cm/2.81x1.32x0.37in Color: black, blue, gray Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1PC x Face Mask Fan