about this articlehanging fan: you can hang the fan around your neck and take it wherever you go, keep your hands free and you don't have to hold it with your hands.3 gears and 360 rotation: 3 gears, soft, natural, solid for your different needs. One-button control (on/off and wind speed), easy to operate. Double-head design and two fans can be rotated 360 flexibly, so you can set the best wind direction.USB Rechargeable: The personal fan comes with a built-in 1500mAh battery and a USB charging cable. 5-8 hours fully charged USB fan can work for 4-12 hours (different speed).Widely Used: Lightweight and small personal fan is ideal for indoor exercise and outdoor events such as office, fitness, running, camping, climbing, fishing, golfing, etc. Product With the Outdoor Neck Fan, you'll let every heat wave get coldWhether you're hiking, walking, shopping, or sitting and reading at home, the fans make no difference. It will always cool you reliably, and sweat and heat won't give you the chance to bother.Properties:- Silent Design: The product makes little noise. You can use it quietly to disturb your sleep or other things that require a quiet environment.- Strong wind: The product uses a copper motor to generate strong and fast wind that meets your needs.- Hands-free: Just put the mini fan on the back of your neck and you can do whatever you want. It doesn't need to be held with your hands, or it needs to be in the area where the fans close. Our product can move with your movement- Portable Design: The mini fan is designed for people's neck shape. The product is lightweight and compact so you can carry it comfortably.- Three modes: The product has 3 wind speed modes. You can set the modes using the key switch.Easy to handle:Turn on and off with a single button.Press once - light up at speed 1.Double tap - go to speed 2.Press the button a third time - Set speed 3.