Portable Air Cooler and Neck Fan: This cooling fan provides cool, cool and revitalizing air. Better than a handheld fan, you can turn it on, slip it around your neck, and the heat will go away instantly. Lightweight and Travel-Friendly: With its hands-free portability and lightweight construction (it weighs about 11 oz) , this personal neck fan lets you relax whenever and wherever you want. It's also compact and doesn't feel heavy around your neck. Semiconductor Cooling Plate Chip: The fan has a dual-motor cooling sheet that provides rapid cooling up to 50F in 3 seconds and 360 degree ambient air. output design. A flexible adjustable neckband can better fit your neck contour while the soft silica gel can effectively prevent slipping. speeds) and a maximum cooling time of 5 hours, this neck conditioner is the perfect accessory to take anywhere you need to cool off. great because it's cordless, portable and suitable for indoor and outdoor use. It's like always having a portable air conditioner.