JK Sales Handheld Fan | Battery Operated Portable Fan, Desk Fan, Carry it Anywhere Handheld Fan | Battery Operated Portable Fan, Desk Fan, Carry it Anywhere Laptop Accessory, Rechargeable Fan, USB Air Cooler, USB Air Freshener, USB Air Purifier  (Blue)

Model No.: 7604 Battery Quantity: 1pc Battery Voltage: 3.7V Input: DC 5V 1A Battery Capacity:1x2000mAh 18650 Li-ion battery Power and using time: 2.4W | 3Hours Effective Wind Speed: ?3.8M/S Working Mode: USB Supply or Li-ion Battery Supply Power: 0.2W Made In China Cautions: Please use No.18650 Li-ion battery for the power supply, other batteries that voltage higher than 4.2V or lower than 3.7V are not allowed to use, otherwise the fan cannot work normally or get damaged. Please charge this product with 5V charger or the other 5V USB slots such as computer, portable power bank ect. Please do not charge with higher or lower voltage chargers. Please do not insert your fingers or other things into the protective screen to avoid damage to the fan blades or injury to your body. Please do not stop the fan blades on purpose, otherwise the motor of the fan will be burned out due to the over-current input. Please do not shake the fan violently to avoid any damages to the fan. It must be under audits� guidance for children to use this product to avoid any damages to the fan or injury to the body due to inappropriate usage.