Portable Sports Cooling Air Filter USB Exhaust Mini Fans

K1 Portable Reusable Fan for Face Mask Clip-On Summer Wearable Sports Cooling Air Filter USB Personal Exhaust Mini Fans Feature: Three-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. It can be charged via a USB cable. This air circulation fan with built-in lithium battery is energy-saving and environmentally friendly. High-efficiency and low-noise operation. Charging protection cover. The silicone charging protective cover is soft and has excellent high and low temperature resistance to prevent acci splashing of water into the USB port and protect the USB port from damage. Type-C charging port. Type-C connectors are smaller than standard USB connectors， saving space. With up to 10，000 times of mating life and strength blind mating structure design. charging indicator. The user is more clear about the power of the product， the red light is on during charging， and the charging completion indicator is off. Made of durable hard plastic. Can be placed in the office， living room and bedroom. Suitable for Valentine's Day gifts， birthday gifts， Christmas gifts， and Halloween gifts. Specification: Product name: Air purifier mask fan Product model: K1 Product material: ABS + PP + electronic components + silicone Color: Black， White (optional) Charging time: 1 hour Battery capacity: 270 mA Battery voltage: 3.7V Rated power: 0.5W Input current/voltage: DC5V/85mA Operating Voltage: First gear: 3.5V， current 115mA， speed 5500 Second gear: 4.1V， current 137mA， speed 6700 Three gears: 4.1V， current low speed 3.3mA， high current current 147mA， speed 6700 Operating hours: First gear: 2 hours 36-44 minutes Second gear: 2 hours 06 minutes - 11 minutes Third gear: 3 hours 40-47 minutes Product net weight: 20.6g Product size: 16*28*64mm Advantage: Traditional mask fan: 1. The air that has not been filtered by the mask will be pumped into the inlet hood; 2. Reduce the filtering effect of the mask， and there is a safety hazard. K1 air purifying mask fan: 1. Filter the fresh air outside through the mask and suck it into the inlet hood. 2. Exhaust the breathing exhaust gas and moisture in the mask out of the mask to achieve the effect of ventilation and heat dissipation. 3. One hour longer battery life than traditional mask fans. 4. The K1 air purifying mask fan is than the traditional fan cover. Note: Due to the different monitor and light effect， the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 X Fan 1 X Charging Cable Shipping and Pack All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). Special Announcement:Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties or taxes. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .ReturnIf the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.