This desktop usb fan has 4 wind speeds control modes. Lowest speed: 1200 rpm for personal cooling. Highest speed: 1800 rpm.strong powerful airflow for hot summers and multiple people. Feel strong wind even from a distance of 1 meter or 1.5 meters.
5200mAh Rechargeable Battery=Up to 16hours of Use
Provides up to 16 hours of continuous use under fully charge. The 5V 1A USB cable included allows to charge via laptop, USB charger, power bank, etc.
Super Quiet Brushless Motor
With the newest power technology, the motor operates quietly and steadily, providing strong wind whilst saving power. Even at its fastest speed level (speed 4), the sound level is still below 40 decibels. Enjoy the peace and silent moment at work, study or nap.