For all RVers seeking to beat the summer heat, this desk fan makes a great choice. With four-speed options providing a powerful yet quiet airflow, it ensures unimaginable coolness at home, in the office, or during outdoor adventures. The 90-degree adjustable rotation allows you to direct the breeze exactly where you need it, while the fan’s ultra-quiet operation, emitting less than 50dB noise, ensures a peaceful environment for sleep or reading. What sets this fan apart is its versatility: powered by a long USB cable (4.92ft), you can charge it with your computer, laptop, power bank, or anywhere your RV’s 9 volt system can reach! This portable fan is easy to operate with a one-button start and mode switch, and offers hassle-free cleaning with its detachable frame. Say goodbye to summer discomfort!