Details[Powerful Cooling Neck Fan]Experience a temperature drop of up to 20°F in just 2 seconds! The EYERZ portable neck fan is powered by 2 brushless, silent motor and features 74 air outlets that provide full surround cooling for your neck, face, and even the back of your neck. Its unique airflow duct design prevents direct wind blasts to your eyes and ears, no more eye dryness & ear ringing. This portable neck fan makes a cooling birthday gift for men, women, parents, and friends[Lightweight