4000mAh Rechargeable Lazy Portable Summer Air Cooling Hanging Neck Fan Leafless Hands-free Outdoor Sports Travel Personal Wearable Fans Feature: Safety amp; 78 Air Outlets: It can send the wind without clogging your hands by simply placing it on your neck. Designed without wings, it can be used safely by children and the elderly. When using the fan, you don't have to worry about your hair getting caught on the fan blades. With 78 air outlets around the neck, it can be used for the entire face around, which products enough air to keep you cool always. It is also ideal as a companion for working in hot weather. Hands-Free Design & Fashion: Hand free fan was designed as a headphone to free your hands anywhere; Fashion style makes you look so cool and you can take it anywhere in hot weather. 4-16 Running Hrs amp; 3 Speeds: 4000mAh large capacity batteries provide 4-16 working hours duration (depending on different speeds). Adjust appropriate fan speed by pressing the power button repeatedly. Low Noise Design amp; Comfortable: The wearable neckband fan's motor has been modified so that noises of at least 25 dB can be generated while running. It is quite enough to hear your own breath. Made of Eco-friendly ABS and silicone. Makes the hands free neckband fan softer and more durable and quieter. Compact Design amp; Warranty: Personal neck fans weigh about 9.8OZ(about 258 grams) and are ultra-light, putting less strain on the neck. Specification: Name: Leafless hang