OMORC Mini USB Desk Fan, Super Quiet Portable Table Cooling Fan for Office, Home, Study 5.5-inch, Black More Airflow- This USB Desk Fan brings a smile back to your face with its cool refreshing airflow and portability. Only powered by USB Cable, no battery. Perfect for office, home, dorm, study, library, games room to enjoy a cool summer. Quieter Operation- OMORC Table Fan utilizes a silent structure which is engineered to be ultra-quiet while delivering high airflow. Better accompany your study or sleep without disturbing you. High Compatibility with USB-powered Operation- Powered by USB and compatible with PC/laptop, power bank, AC adapter, car charger, etc. to get power supply with 40 in/100cm USB Cable. This USB fan consumes 2.5W power per hour and saves around 95% power than traditional AC fans. Portable & Adjustable Tilt]- Mini-sized cooling fan(5.5 *5.5 *2.8 inch) occupies a small footprint of your desk. Come with a handy belt that you can effortlessly carry it everywhere. Anti-shake & Anti-slip base with 30 adjustable angle, easy on/off switch to control the fan. Multi-function Usage- Designed to cool various electronics and components, like mobile phone and laptop. The adjustable metal frame support can give you the best angle to enjoy the cool airflow.