Twin-Turbo Cyclone-Blade Technology: ProBoxUSB fan, designed by using Twin-Turbo Cyclone Blade Technology, providesmaximum airflow to keep you cool anywhere, anytime. ENERGY SAVING : Adapting a silent motor design,ProBox USB fan is 30% or more energy saving than similar USB fan models. TOUCH CONTROL :ProBox USB fan is equipped with 2 airflow selections, breeze air, and cool air. You may simply operate it with a touch of your fingernails. ADJUSTABLE ANGLE: Your fan adjusts for you. Not you adjust for your fan. With ProBox USB fan, you may easily set your own perfect airflow angel since the fan can be adjusted between 0 to 135 at your wish. ULTRA QUIET :Thank to Cyclone-Blade and silent motor technologies. Our product runs quieter and cooler than similar products in the market. UNIVERSAL COMPATIBILITY :Backed by a 3.28 feet(1M) USB cable, the fan can operate from a computer, laptop, power bank or other devices with a USB output to keep you cool from hot environment. WORRY-FREE WARRANTY : This stellar-quality fan comes with a 12-month warranty and our friendly, easy-to-reach online support.

Twin-Turbo Cyclone-Blade Technology: ProBoxUSB fan, designed by using Twin-Turbo Cyclone Blade Technology, providesmaximum airflow to keep you cool anywhere, anytime. ENERGY SAVING : Adapting a silent motor design,ProBox USB fan is 30% or more energy saving than similar USB fan models. TOUCH CONTROL :ProBox USB fan is equipped with 2 airflow selections, breeze air, and cool air. You may simply operate it with a touch of your fingernails. ADJUSTABLE ANGLE: Your fan adjusts for you. Not you adjust for your fan. With ProBox USB fan, you may easily set your