HFORVER 4-inch Vanes 3 Speeds USB Portable Mini fan Rechargeable Desktop Fan Laptop FAN Mute Cool Fan Rechargeable (WHITE) Pocket Size -- Easy on the go ! Using the brushless motor industrial grade fans, high winds and long life have adequate safeguards. High winds and long life have adequate safeguards. The integration design, simple appearance, solid structure, it is realize the huge wind capacity fan portable, more confidence in the transport and using.