[Three levels of strong wind]: Three levels of air volume adjustment, allowing you to choose the appropriate fan speed according to your needs and environmental conditions. In hot summer, you can choose high wind speed for powerful cooling, while in cool environments, you can choose high wind speed and low speed to enjoy the breeze, save power and extend battery life, and improve fan efficiency. This personalized choice provides you with a more comfortable experience 180 Foldable and Adjustable: The handheld fan can be freely adjusted to any angle you want to achieve directional airflow. Whether you want air directed toward your face, body, or specific areas, you can focus the airflow where you need it, providing more comfortable cooling. Therefore, the OVIFM foldable handheld fan can be used in various ways. It can be used as a hand fan, table fan or neck fan to meet your needs in different scenarios. LED Display and Power Bank: The mini fan handheld LED display can display power and wind speed in real time, allowing you to monitor battery power, estimate remaining usage time, and charge in time. Built-in 3000mAh large-capacity rechargeable battery, it can be used continuously for 3-6 hours after being fully charged. The power bank function can also be used as a backup power source. When the mobile phone is out of power, it can be charged urgently to ensure smooth communication. [Mobile phone holder function]: The portable fan comes with a mobile phone charger and can be used as both a mobile phone holder and a cooling fan. While enjoying the coolness, you can also free your hands to do other things. Designed with adjustable angle, you only need to unfold the base to use the mobile phone holder function. Securely place your phone to easily watch videos, browse content, video chat, video conferencing or gaming. Perfect for kids doing homework Lightweight and Portable FoldingThe fan handheld foldable is made of lightweight materials and weighs only 120 grams. The foldable and storable design minimizes the size of the USB fan to 8*8*3.8 cm, making it easy to carry and store. You can easily put it in your pocket or bag to bring coolness anytime and anywhere. Perfect for use in school, office, home, bedroom, camping, parties, watching sports, Disneyland, traveling or outdoors