Features: Brand new and high quality The USB cooling fan requires no driver or installation, just plug and play. Your laptop can breathe easy with this laptop cooler. The USB cooling fan has a compact size, making it portable to use. With adjustable stand for 12-18 inch laptop, tablet, phone and users. The USB cooling fan is designed with a flow fan, which ensures that the airflow is much stronger than a regular PC fan. USB cooling fan with speed control (low/medium/high, three modes). Supports hot-swapping. Powered by USB cable. The USB cooling fan is a vertical and horizontal USB cooling fan with bracket, which is not only for devices but also for user cooling. Specifications: Material: Aluminum Type: Round/Square Wind speed mode: 3 modes Speed: 2100-2900RPM Noise level: 30-40dB Voltage: DC5V Round: About 65x65x296mm/2.56x2.56x11.65inch Square: About 69x70x298mm/2.71x2.75x11.73inch Note: 1. Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Laptop Cooling Fan