Safety & 78 Air Outlets: Green and innovative neck fan, just put it on your neck, no need to put your hands on it to blow air. Wingless design, safe for children and the elderly. When using a fan, you don't have to worry about hair getting caught on the fan blades. With 78 air outlets on the neck, it can be used all over your face, creating ample airflow to keep you cool at all times. It is also an ideal work companion in hot weather. Hands-Free and Sleek Design: The hands-free fan is designed like a headset to keep your hands free anywhere. Sleek style makes you look cool and can be carried around in hot weather. 2-8 Hours Battery Life & 3 Speeds: 2000mAh capacity battery provides 2-8 hours battery life (depending on different speeds). Press the power button repeatedly to adjust the appropriate fan speed. Quiet and Comfortable Design: The fan motor has been upgraded to produce at least 25dB of noise when operating. Just listen to your own breathing. Made of eco-friendly ABS and silicone. Make your hands-free fan smoother, longer lasting and quieter. Compact design: the personal neck ventilator weighs approximately 200 grams, is ultra-light and reduces pressure on the neck