Rechargeable Battery:The mini handheld fan has a built-in rechargeable battery, which is safe and environmentally friendly. With USB charging port, fully charged in just 2 hours, compatible with any USB port such as outlet, mobile power, laptop, power bank and other USB-enabled devices. Get a happy and durable family trip. Powerful Handheld Fan, Enjoy A Cool Summer:The small portable fan is equipped with 7 fan blades made of ABS material, strong and durable, producing a flow of strong and gentle air. Besides, the rotational speed of the fourth wind is nearly 5000 RPM, never worry about the outside even the temperature is so high. Hanging Neck Design; Adjustable:Our portable personal fan is designed to free your hands and make your travels and life easier; the appearance is designed in the shape of earphones, which is simple and elegant, energetic and fashionable. The curvature of the pipe can be adjusted according to your neck to find the most comfortable wearing angle. Quiet Operation:This fan uses a brushless motor, which can make the speed faster, the lower power consumption, lower noise, and the noise is less than 45 decibels. Quiet, No Noise Quiet Design: The high-speed, low-noise motor design makes this personal mini fan a quiet fan, and won't be disturbed when you sleep again. Perfect Summer Partner:Portable fan is suitable for living room , bedroom, kitchen, yoga, running, hiking, camping, travel etc. You can give it as a gift to your family or friends, he/she will love it. love this summer. After-Sale:Any problem, please feel free to contact us; we will please 24-hour online service.