Doublepow Bedroom Fan,9 Inch Portable Desktop Fan, Silent Air Circulation Fan, 5-Speed 10/20H, 1-8H Timer, 120┬░ Swing and 60┬░ Vertical, Built-in Negative Ion Purification,for Home Offices Dormitories

Doublepow Air Circulation Fan: The dual power circulation system deeply cleans every corner, quickly eliminating trapped air. Combined with negative ion purification technology, it creates a fresh environment and healthy air for large spaces such as living rooms and bedrooms. | Multi Directional Airflow Regulation: Horizontally swing 120 , vertically rotate 60 , adjustable tilt head, accurately deliver cold air to the desired position, used in conjunction with air conditioning and heating devices to effectively move air while reducing energy consumption. | Balancing Wind Speed and Quietness: With a 5-level adjustable wind speed, it can freely switch between strong and light winds. It adopts a brushless motor and noise reduction structure, with a running noise as low as 30dB and smooth airflow, creating a disturbance free sleeping environment. | Intelligent Portable Control: Equipped with an intelligent portable controller, it can remotely control switches, wind speed, vibration, timing, and lighting without getting up. The intelligent digital screen displays the battery level in real-time and has a timed shutdown function, which is energy-saving and safe. | Wireless Portable Design: No need to plug in, the circulating fan body is lightweight and easy to carry, and is not limited by space. Whether it is a living room, bedroom, or office, it can be used freely, saying goodbye to the trouble of frequent charging. | Strong Battery Life: Equipped with a built-in 20000mAh large capacity battery, it can work continuously for about 10 hours in strong wind mode, about 20 hours in weak wind mode, and up to 40-200 hours in night light mode, meeting long-term usage needs.