Long Battery Life & Easy Charging: Powered by a 4000mAh battery ( 2.2 10 hours usage time) with standard charging port ( 5 6 hours Adjustable Air Movement with 100 Step Control: Features a knob operated 100 step smooth speed adjustments and smart digital display for precise air customization Quiet action for Peaceful Use: Incorporates noise reducing motors and overall sound dampening design to minimize operational noise Complete Rotation & Flexible Direction Management: Provides full manual rotation and adjustable double air channels for thorough coverage Fan Setup for Effective Cooling: Equipped with good qualities continuous circulation fan wheel and two air outlets, this device enhances air distribution for wide area temperature management