But if spending time outside is unavoidable, a neck fan is one of the best ways to help regulate your body temperature on incredibly hot days. Torras Coolify Cyber Neck Fan Air Conditioner Now 26% Off $299 $222 at AmazonThis neck fan's battery life is a standout feature. The neck fan has six upper and two lower air vents, powered by four internal motors to bring airflow to your neck, face, and upper back. To manage all this, you can connect the Cyber to a companion app to adjust fan speeds, set timers, and more. This neck fan from Torras is a high-quality, intuitive portable cooling solution.