3 Speeds Dual Blades Rechargeable Desktop Cooling Fan

Equipped with two motors driving different blades rotating in opposite directions to produce the maximum blow;
Low-noise: motors work very quietly, and the noise is produced from the blow below 40dB as quiet as in a library environment;
Adjustable blow strength: a knob switch is designed for adjusting blow strength at two levels(0-stop, 1-weak, 2-strong)
Adjustable blow direction: the fan can be adjusted from 0 degree to 45 degree vertically; Easy to carry:with not small body and light weight(6 ounce),It's easy to carry by one hand.
Small size and light weight:Easy to carry:with not small body and light weight(6 ounce),It's easy to carry by one hand.

Note:
USB mini desktop fan is originally designed, equipped with two motors driving different blades rotating in opposite directions to produce the maximum blow with the minimum power consumption and the lowest noise. It's very easy to carry and fed power conveniently with the standard USB port.
Dural-motor:fan blades rotate in opposite directions driven by different motors to bring you strong wind and free you from summer heat waves.