USB Fan Silent Sports Portable Leaf Less Electric Fan Hanging Neck Lazy Portable Outdoor Fan Features: HANDS-FREE DESIGN & FASHION: Hand free fan was designed as a headphone to free your hands anywhere;style makes you look so cool and you can take it anywhere in hot weather. That can send the wind without clogging your hands by simply placing it on your neck. Designed without, 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. LOW NOISE DESIGN & COMFORTABLE: The wearable neckband fans motor has been modified so that noises of at least 36dB can be generated while running. It is quite enough to hear your own breath. Made of Ecofriendly ABS. Makes the hands free neckband fan softer and more and quieter. 1-4 RUNNING HRS & 3 SPEEDS: 1800mAh capacity batteries provide 1-4 working hours duration (depending on different speeds). Adjust appropriate fan speed by pressing the power button repeatedly. COMPACT DESIGN: neck fans are ultra-light, putting less strain on the neck. Wide Range of Applications: Use for both indoor and outdoor activities, Office,Traveling, Camping, Picnic, Hiking, Cooking, Study room. Product Description: Product name: Leafless hanging Product material: Running time: 1-4 hours Interface type: USB Wind speed gear: 3 gears Features: sweatproof Charging time: 2-3 hours Product List: 1X Fan 1X data cable