4 adjustable speeds: The USB charging fan has 4 adjustable speeds. The advanced brushless motor is equipped with three 8-inch wide-torque fan blades that can provide powerful wind in ultra-quiet conditions to meet different cooling needs and let you cool down quickly. Fan 2 in 1: USB clip fan can be used as a portable desk fan and also has a strong base clip. The multi-function clamp can be opened to 3 inches, which can be attached to the edge of the treadmill or bedside during exercise or sleep, saving space. Double rotation 360: The electric fan supports vertical and horizontal 360 double rotation, not only the fan head can be rotated 360 vertically, but the base can also be rotated 360 horizontally. Pick up cold air from any direction to keep you cool from any angle. Dual USB Power: This rechargeable fan has two USB charging ports, supports 5V fast charging- 2A, compatible with car chargers, laptops, power bank, USB outlets, etc. Equipped with 10000mAh battery which can last up to 24 hours when fully charged. Wide Application: USB fans are used indoors and outdoors. It is ideal for homes, offices and bedrooms. It can also be carried with you (requires power supply) for travel and camping. It is a great choice for summer gifts. If you have any questions, please don't hesitate to contact us and we'll get back to you within 24 hours.