【Powerful Desktop Fan】The first new built-in brushless copper motor is stronger and has a longer service life than ordinary motors, making the blades work more efficiently high speed to generate strong wind. The front cover has a fluid mechanics design that can maximize airflow. 【Food via USB】 Supplied; With the USB cable compatible with all USB ports such as computer, power bank, wall chargers and other USB power supplies, you can easily charge it all day or night connect to the power supply. .(Note: This fan does not have a battery) 【Adjustable speed】 The small portable fan 3 adjustable speeds are suitable à to meet your different cooling needs, just press the power button to change the speed, always keep you cool at night. Low speed, high speed is strong enough to keep you to cool down quickly after heavy sweating. 【 Quiet operation: You can operate it easily. hear it Barely At low speed, the working noise is quieter. 45 dB at high speed, which is unnoticeable and does not disturb