Stay cool and feel refreshed during the hot summer months and warm during the winter months with Homace's Neck fan. The neck fan has a built-in semiconductor refrigeration chip and a stainless steel surface that allows the neck fan to cool down or heat up in under 5 seconds to help you cool down during summer or keep warm during winter. In addition, with a 360-degree rotatable and 45% adjustable and flexible frame, the neck fan allows you to use the airports to blow air from any angle or direction.