【High Compatibility USB Power Supply】: Compatible with PC/laptop, mobile power supply, power adapter, car charger and other USB supported power supplies. Quiet usb fans save energy and protect the environment. (Note: This fan does not have a battery) 【Small but mighty】: The size of the tabletop fan is 6.3 x 6.5 inches. Although it is small but the wind is strong. It features 3 contoured fan blades to reduce noise, reduce wind resistance and increase air supply area. Ideal for home, car, office, office, camping or travel. 【2-speed adjustment and 360° rotation】: Two speeds optional, this desk fan which is enough for your various cooling demands. The 360° up and down rotating small desk fan head, designed for multi-angle air supply and accelerating the airflow in your room. The wind is strong enough to cool you down in seconds. 【Quiet Operation】: The table fan is not only powerful, but also quiet, you can barely hear it at low speed, the sound operating noise is less than 45dB at high speed, which is undetectable and won't disturb what you're doing, the mini desk fan is ideal for studying, reading, working, sleeping, doing yoga, etc. 【Number of shipments】:1 pieces