1. Portable and foldable design: The portable fan can be folded into a small size (about 9*26*7cm), easily put into your bag. At only 12.7 ounces, the bladeless neck fan is ultra-light and won't put pressure on your neck. In addition, the ergonomic design keeps the man fan stable on your neck, suitable for all neck sizes. 2. Surrounding cooling air: The latest upgraded design covers six super-large air-conditioning channels, the air volume is 20 times higher than that of traditional hanging neck fans, and the speed is as high as 6000r/min. Larger and faster airflow brings you strong circulating cold air, instantly cooling the temperature around you. 3. Three-level adjustment & smart digital display: The touch button is upgraded to a physical button, and there will be no accidental touch. Equipped with 3 speeds, you can adjust the proper fan speed by pressing the power button repeatedly. Intelligent digital display, better grasp the wind status. The neck fan is designed with a waterproof and sweatproof shell, which is safer to use in hot outdoors 4. Long-lasting battery life & low noise: The neck-mounted fan has a 4000mAh large-capacity battery, which can work continuously for 3-7 hours (depending on different speeds). Fast charging for 3-4 hours, easily meet the needs of the day. The wearable portable fan operates with low noise, less than 40 decibels, so it won't bother you. Give you a better experience in a quiet and comfortable environment