Mask Fan Mask Air Fan Mask Fan Silent Mask Air Fan USB Rechargeable 3-Stage Airflow Adjustment Summer Mask Cooling Fan Small Dehumidifying Fan Mask Stuffiness (White) Since the operation has not been confirmed, Please purchase after understanding. ✔ Immediate purchase without comment is welcome★ ✔ The reason for stating "[Like New]" is because it has been opened once for photography. The product itself is unused, so please rest assured★ ✔ We ship from home storage and simple packaging (may be taken out of the box or compressed)★ ✔️ Please check the actual photos for the condition of the product★ [Heatstroke Prevention and Cooling in Summer] The mask fan design adopts an exhaust design that extracts and circulates the hot air inside the mask, keeping the temperature inside and outside the mask constant and reducing discomfort. Outside air that is not filtered by the mask is not drawn into the mask. [USB Charging/Silent] This mask fan is charged with a USB cable. It is fully charged in 40 minutes. It is divided into 3 blocks of wind, and can be used for about 1-3 hours on a single charge. There is no sound even when worn near the ears. There is no problem with daily use. [Convenient to Carry] The mask fan can be charged with a USB port. You can charge a power bank, computer, or adapter. Compact size, no cables, very convenient to carry. You can carry it anywhere. [Ultra-lightweight and Easy to Install] The main body is an ultra-lightweight design of about 20.6g, so it does not put pressure on the mask when attached. It is a clip type, so it can be installed at any angle or position on the mask. [Can be used in various scenarios] The mask fan is suitable for any situation where a mask is used, and is ideal for indoor or outdoor activities such as cooking, school, commuting, company, construction work, gym, fireworks, and festivals. 14-26