【 Upgraded powerful motor，Upto 30 hour lasting woking】: Using the latest brushless motor, the maximum speed can reach 5500RPM, with an output wind speed of 18mft/s，quickly evaporating sweat to achieve cooling. Compared to previous fans, it has stronger wind speed and longer woking time, with a continuous working time of up to 30 hours at the lowest wind speed., | 【Real 8000mAh polymer lithium battery】: a large capacity rechargeable battery that can provide up to 30 hours of continuous wind turbine operation (at minimum wind speed) and 8 hours of high-speed strong wind output. Through the USB interface, your cell phone can be charged once as an emergency mobile power source for outdoor activities | 【Silicone protective cover, anti-slip and drop-resistant】 : Designed for most outdoor fan usage scenarios such as workshop work, courier deliveries, sanitation work, mountain climbing and other outdoor activities, the addition of a protective silicone cover not only provides anti-slip function but also makes it more resistant to drops | 【Upgraded steel clamp and Creative shirt stand 】: Manganese steel clamp is more resilient and rigid compared to the plastic clamp commonly used in the market. It provides stronger gripping force and does not age or become brittle, greatly extending the product's lifespan; Shirts often block the wind outlet, affecting the effectiveness of fan. This is a common issue with this type of product. We have specially added shirt stand to effectively solve this problem. It can also be used as a hook inside the tent | 【5in1 multi-functional fan】: Portable yet versatile. It can be used as a waist fan, or as a neck-hanging fan to free up hands during summer travels. Additionally, it can also be used as a power bank to directly charge a mobile phone, and LED light, SOS Light, Destop fan | 【Battery indicator light 】: The remaining battery level can be confirmed by the color of the LED light next to the power button: Green light: 66%-100% battery power Orange light: 33%-65% battery power Red light: battery power less than 33% Red light flash: suggesting charge Convenient for you to keep track of battery level at any time, charge in a timely manner, and prevent power outages during outdoor activities