Small Fan, Silent USB, Wall Mounted Bed Charging, Household Cooling, Circulating Fan Cooling Deep space gray 42H Ultra Long Endurance

• Turbo compressed air technology, instant temperature reduction, unparalleled cooling, ultra high speed brushless motor+7-feather turbo circulating fan blades, deep compressed air cooling, capable of blowing super strong cold air even in high temper • The supersonic turbine engine, with a super powerful power source and a speed of up to 40000 revolutions per minute, truly overcomes the problem of wind power and introduces supersonic fighter technology, greatly improving all-round performance! • Seven feather turbine circulation fan blades, dense cutting airflow, 20 meters of cold wind, aviation grade technology application, combined with supersonic turbine engine, stronger and more intense wind force • Superconducting fin circulation air duct for 720 ° whole house circulation of cold air. Simulate the vortex principle at the center of a hurricane, with a rotating airflow of 720 ° spiral air supply, circulating cold air from the entire house air c • The sound is as low as 18dB, with only breathing sound and three core noise reduction technologies, allowing you to enjoy the coolness of your whole body and sleep peacefully at night without disturbing