Desktop Design: This desk cooling fan provides 3D cooling air circulation with left & right rotation, low noise, produce super strong wind to cool you down quickly. Top Shaking Head: Shaking head small electric fan rotate shaking head, 136 free shaking head left and right, and also can be manually tilted up 90 degrees up and down, which provides you more choices in different height and angle. Strong Airflow Fan: USB small electric fan easy to operate, you can simply rotary the knob to adjust the speed. Powerful strong brushless motor, various speed, pulse mode, narural wind, fast air circulation and fast cooling. USB Powered: Comes with the usb cable that compatible with all USB port, simply plug it into the power supply for the whole day or night working. breeze wind can working 6 hrs. Lightweight and Portable: Mini rotatable head fan can suitable for office, home, desktop, camping, or anywhere, stable base to ensure working even at the high speed. Specification: Material: ABS Plastic Input Voltage: 5V Input Current: 2A Rated Power: 6W Battery: 2000mA Function: One click 136 shake head, double click for natural wind Package Includes: 1 Piece Desk Fan 1 Piece USB Cable 1 Piece Manual Note: 1. Please allow slightly error due to manual measurement.