Upgraded Portable Neck Fan: The personal neck fan has upgraded the airflow and noise reduction function. The portable neck fan has more powerful airflow and low noise that keeps your cooling always on. With 4000mAh battery and four turbine design, it will last longer and provide high speed wind. Safer than the ones before and don't worry about your hair getting stuck or dust. 3 Speed Modes & Hands-Free Design: This hands-free fan is equipped with 3 adjustable air volume settings (low, natural, high). Easy to switch with the independent button. You can switch to two or four turbo motors according to your needs. And the noise is less than 25dB. It will not disturb you when you study, work, do sports or travel, etc. Perfect Summer Gift & Quality Assurance: The personal neck fan frees your hand so you can use it anytime, anywhere. In the kitchen, office, garage, camping, riding, etc. It can also be the best gift for your family, friends and colleagues. Also a good choice for Father's Day