Dual 120Mm USB Fan with 3 Speeds 5V Ventilator Fan Portable Cooling Fan Recharge
Size 120mm. 120mm Dual USB Fan. Lowest Noise: 27dB. Maximum Airflow: 56CFM. USB-Powered fan, plug and play, very convenient. 2 fan need enough power, not suggest connecting to USB hub. Protect your hand and usb cables while the fan working.