Safety & 78 Air Outlets: An innovative neck wind ator that can send out the wind without waving your hands just by placing it on your neck. Designed without a es, can be used safely by children and the elderly. With 78 air outlets around the neck, can be used for the whole face, which produces enough airflow to always keep you cool. is also ideal as a companion for working in hot weather.Hands-free and fashionable design: The hands-free neck ventilator was designed as a helmet to free your hands anywhere. The fashionable style makes you look cool and you can take it anywhere in hot weather. 4 hours running time and 3 speeds 1200mAh large capacity batteries provide 4 hours running time (depending on different speeds). Adjust the appropriate speed of the wind ator by pressing the power button repeatedly. S cient and comfortable design: the motor of the portable neck wind ator has been modified so that noises of at least 25 dB can be generated during operation. just hear your own breath. Makes the hands-free wind ator softer, more durable and safer. Compact Design: The neck wind ers weigh approximately 258g and are ultra-lightweight, which puts less strain on the neck. When you use the fan, you don't have to worry about your hair getting caught on the fan blades. Note: The data are all manual measurement, please allow some error 1 - 3cm, due to the light and display difference, there will be some color difference, depending on the physical object received.