?High Compatibility USB-Powered ? The AaoLin desk fan is powered by USB Cord and compatible with computer, power bank, power adapter and any other USB-enabled power supply. (Note:This fan does not carry a battery). ?Compact & Portable?AaoLin small portable fan is compact and easy to carry. You can put it in your backpack, handbag, so you can enjoy coolness anytime and anywhere. Perfect for use in home, car, office, desktop, camping, or travel. ?Stepless Speed Regulation?Turn the knob and enjoy wind from gentle to strong, or any speed you want in between. More speed options will meet your needs in different scenarios, allowing you to find the perfect coolness. ?The Quieter?The 2023 upgraded silent construction design provides stronger airflow while being 25% quieter than other desk fans for your maximum comfort. Better accompany your your work or sleep without disturbing you. ?The Mightier?Adopting the 2023 newly upgraded arc-shaped air turbine design and supercharging technology, provide longer service time, and bring strong airflow, to bring you a better cooling experience.