Bluetooth Neck Hanging Fan USB Charging, Lazy Person Portable Small Fan Outdoor Sports , Combination Of Fan And Headphones, The For Sports Features: 【Strong Wind and Safety】Upgraded portable , with 12 wind outlets and 60pcs twin-turbine fan blades, multiplied wind power and can quickly feel cool in 3s. Bladeless can be used safely by children and the elderly. For those with long hair, it's your gospel. You don’t worry about getting your hair in. 【Three-Speed Adjustment】Hand free has Low/Medium/High 3 speeds optional. One button to three different wind speed. Long press the button(about 1.5s) at any speed, you can turn off the fan. Three speed design provides you more choices in different temperature environment. 【USB or Battery Powered】Rechargeable can be charged through your PC, power bank or car charger. Built-in 4000mAh battery, the portable fan can work for up to 12 hours full charge. 【Portable & Compact】Wearable personal was designed to look like a headphone, you can free your hands to enjoy coolness. Hanging is lightweight and portable, you can take it anywhere. It is a good companion for gym, climbing, camping and office,etc in hot days. 【Noise Reduction】 The wearable neck fan’s motor has been modified so that it will produce lower noise during operation and will not disturb you, give you a comfortable and quiet experience. Bluetooth earphones In the cool summer, listen to wonderful music, in the refreshing . Suitable for summer travel, night running, travel, and car use Product Description: Product name: neck hanging fan Product model: WT-U23 Material: ABS+PP Working current: 2A Product gear: Wind Power Third Floor Battery capacity: 4000mAh 3.7V (18650) Charging voltage: DC5V Battery voltage: 3.7V Product material: ABS+electronic components Usage duration: 3-9 hours Input voltage: 5V Charging time: approximately 2.5 hours Product List: 1x Complete Earphone Fan Conjunctive word:Neck Fan;Personal Fan;Bladeless Fan;Neck Fan Rechargeable;Tower Fan;Ventilador Portatil;Portable Fan Rechargeable;Neck Fans That Blow Cold Air;Portable Neck Fan;Small Fans Portable;Battery Operated Fan Bluetooth Neck Hanging Fan USB Charging, Lazy Person Portable Small Fan Outdoor Sports , Combination Of Fan And Headphones, The For Sports Lightweight design, convenient for travel and carrying Natural and cool, experiencing the comfort of a gentle breeze all day Short charging time, long battery life Low decibel noise, allowing you to comfortably enjoy the coolness in the office or library