Bescita Mini Portable Small Fan Quiet Rechargeable Office Desktop Fan

Feature Button function: first turn on the power switch on the back. Second adjust the appropriate fan speed by repeatedly touching the front power button (low speed > medium speed > high speed). Finally turn off the power switch on the back after use. The fan is very small and easy to carry. Perfect for use at home office desk or on the go. Built-in 800mAh large capacity battery (3 hours full charge) rechargeable via USB cable compatible with computers laptops power banks wall chargers and any other USB-enabled power sources. Product manual Power: 1.5W Product size: 14.5*8CM Battery capacity: 800mAh Charging method: usb power interface Wind speed adjustment: one gears