Neck Hanging - Portable Mini Fan is perfect for cooling on the coming School Day, camping, on-the-go, making it great for summer outdoor activities. So you can always enjoy the cool summer. 180°Adjustable - With easily forwards change fan, enjoy upward air blowing from neck side. Hand free style for more convenient usage. A necessity personal fan for any stylish girls/ boys/ women/ men! 3 Speed Controls - With 3 adjustable speed, portable fan support - Low speed 12 hours working time; Medium speed 7 hours working time; High speed 4 hours working time. Low Noise so you can get a peaceful breeze. High Quality - Mini neck fan made of premium ABS plastic, durable and steady. The battery and motor have particular safety design. A more powerful, safety input and output feature. The Low current high speed motor greatly extend working time USB Powered - Powered by USB port from desktop computers/ laptops/ portable chargers and power banks, and other devices with 5V/1A USB output. Most convenient cooling at office/ home/ travel/ dorm/ study/library/ games room and more.