RECHARGEABLE BATTERY – This fan comes fitted with a rechargeable battery which can be charged using the USB included, it’s a brilliant option for keeping cool when you’re out or at home. QUIET USE - Really quiet when in use making it great for offices, lounges, and cafes without disturbing anyone. PORTABLE FAN – Fitted with a convenient foldable handle which allows you to hold in hand when using, and also fits your handbag with its palm-size CONVENIENT CHARGING - Compatible with all USB output device and comes with the USB charging cable which works with and could be recharged by 5V output adapter, USB charger, laptop, power bank and other USB-enabled devices. SOFT BLADES - The soft blades (rather than the traditional plastic) mean the fan is extra safe, posing no danger to your fingers or face if you get a little too close.