Reusable Portable Fan for Face Mask Clip-on Air Filter Usb Black

two-speed adjustable wind power, quad-core wind power, high-strength suction. Quickly exhaust carbon dioxide, moisture and heat from the mask. Keep your face fresh.Lightweight and compact. Portable mini design. with a clip, it is convenient to wear and circulate air into the mask.Charging protection cover. The silicone charging protective cover is soft and has excellent high and low temperature resistance to prevent accidental splashing of water into the USB port and protect the USB port from damage.COMFORTABLE FIT:Updated curvy profile with soft silicone coating for more comfortable wearing and no sticking to your cheeks. Barely noticeable and no sense of wearing by its 0.8 oz lightweight and less than 3 inch compact design. This face shield fan is easy clipping inside of your face mask(left or right side) and applicable for most different types face masks.RECHARGEABLE:This clip on fan for face mask with 1500mAh built-in polymer lithium battery can run up to 3.5 hours intermittent or 2 hours continuous once fully charged. Quick charge with adaptors, power bank or computer by micro-USB cable enclosed.size:7x3.6cmMaterial:ABS+PP+Siliconecolour:BlackPackage Contents:1 * Portable Fan1 * Charging box1 * USB data cableOnly 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.