POWERFUL LONG-LASTING BATTERY : The have a Powerful 4800 mAh Rechargeable Battery that can last from 8 - 20 Hours of working time. The Battery Operated Handheld Fan can be recharged and powered up by using any 5V source e.g., Charging Adapter, Power Bank, Computer etc. The Portable Fan gives 5W of Powerful Output for that Cool Breeze you need. ADJUSTABLE AND COMPACT SIZE : Our Portable Fan has Multiple adjustable settings for your convenience. The Power Button of the Fan can control 3 Different Speeds (Low, Medium, and High). The Angle of the Hand Held Fan can also be adjusted 90 Upwards. The Small Size of our Portable Fans (3*2*7 inches) makes it very easy for you to carry around anywhere you want. MULTIFUNCTIONAL & HANDS-FREE DESIGN : The Mini Portable Fan has many purposes that it can serve as one. You can use it as Desk Fan, Handheld Fan, EyeLash Fan, Travel Fan, Office Fan and it also can be used as a Neck Hanging Fan. The Fan with Hands Free Design has a Detachable Safety Lanyard that can Free your hands while your hands are busy. REMOVABLE FAN COVER : The Mini Fan have a removeable Fan Cover that also acts as a Fan Mask for the Clean, Fresh Breeze of Air you need. The Cover can be attached and detached anytime so you can clean your Mini Personal Fan more thoroughly.