This compact desk fan uses double inverse fan blades to produce a powerful air flow with low noise. With Oscillating function. Power saving type operated by USB power supply. Power source: USB. DC5V. 500mA or over. Power consumption (W): Strong 1.3, Weak 1. Air flow (m3/min): Strong 7, Weak 5. Noise (dB): Strong 36, Weak 26. Power cord: 1m. 2‐stage air flow switching. Swing angle: Approx. 80 degrees left and right (automatic swing), approx. 30 degrees up and down (manual) 10.2 x 8.0 x 15.1cm
