• Input voltage : 5V
  
• Output voltage : 4.5V
  
• Battery voltage: 2v.4 
  
• Material: ABS/PP/electronic components
• You can use it in the household, office, car travel.

Mini USB Hand Fan High Speed Built-in Rechargeable Battery Operated Summer Cooling Fan with Stand For Home Office Indoor and Outdoor Travel 

Descriptions: 

• This hand fan works with USB charger, laptop, computer, power bank and other USB-enabled devices.
• This way you can enjoy the cool wind bring by the fan when you are walking in the hot outdoors.
• Separate base,handheld desktop dual mode.You can put it on the computer desk to make you enjoy your leisure time better (Play games, go to the movies, read books and so on).
• This Fan could be recharged by all USB-enabled devices like car charger, home charger. Especially suitable for travel or outdoor sports, just put it into your backpack or throw it into your car, you can carry it everywhere you go.