Electric Fan Office Household Desk Ultra-quiet

Product information:
Noise: 51-70db
Power type: USB
Control type: Button type
Motor type: brushless motor
Rated Voltage: 5
Number of blades: 15 leaves
Air supply method: page transfer
Rated Power: 5
Operation mode: Mechanical
Function: water cooling
Timing function: 2-8 hours
Water tank capacity: 300 mL
Rated frequency: 50Hz