1. Huge battery, longer lasting: A portable fan with a built-in 2400mAh polymer battery, the fan can last for 6 hours, and the lighting can last for 3 hours. It is a rechargeable battery and can also be through a mobile power supply, AC adapter and any other equipment by USB cable. 2. Silent: This personal fan has 3 wind speeds, a powerful and quiet motor, which not affect your work/sleep. 3. Multifunctional and easy to use: Our USB fan has a foldable hook at the bottom, so you can hang the fan in a tent, tree branch or car. It can be installed or simply placed on the desk in the home or office. It is also an perfect companion for your babies, pets and even plants. 4. Bright LED lights: 2 LED camping fans with brightness settings, you can set the brightest mode to lantern during camping, and the dim to night light for sleep. 5. Portable equipment that is convenient for daily and emergency use: Easy to carry and store, built-in large-capacity battery and easy-to-connect power supply,