4 Speeds & Power Display Battery Operated Fan Portable Cooling features natural wind/sleep wind/neutral wind/strong wind 4 wind speeds, giving you more options in different temperature environments. You can easily check the battery level through the power display. (Note: The indicator flashes during charging and lights up after charging is complete). 15 H Long Working Time & Plug Play USB desk fan uses an upgraded 4000mAh battery. This rechargeable camping fan can run for 3.5 -15 hours when fully charged. Not only suitable for the office or home, but also suitable for going out. The package includes a USB charging cable, which can be plugged into the car, mobile power bank, computer and other USB ports for charging. Can be used while charging. Super Quiet and Free Angle Adjustable All copper brushless high-speed motor with low noise makes this camping fan rechargeable into an ultra-battery fan, does not disturb your work, study, sleep, yoga. The USB rotation angle can be adjusted from 0 to 90 degrees to ensure that the entire area can get enough fresh air. This vertical rotation design allows the cool wind to blow on your face. Easy to Clean, Battery and Safe Durable This rechargeable fan can easily remove the front cover to clean the fan blades. The desk fan meets international voltage requirements, Built-in optimized PCB chip, can provide charging and discharging protection, over temperature protection, etc., to ensure battery life, but also to prevent short circuits and other safety problems. Perfect Gift Choice and Satisfactory Service This rechargeable fan size is 17 * 9.2 * 22 cm, a lifesaver in summer. Anyone who wants to stop sweating, whether at work or at rest, should get this small portable fan. We offer a 24-month limited warranty and a lifetime of enthusiastic after-sales service. If for any reason you are not completely satisfied with your purchase - please feel free to contact us via email for any questions, we will solve the problem for you within 24 hours.