Includes 2 large cooling fans. Equipped with 2 powerful cooling fans, each measuring 5.1 inches (13 cm) in length and running at 1400 15% RPM. The cooling fan can be adjusted according to the heat level of the laptop. Adjustable 6-level airflow, two high-speed fans for 360 heat dissipation. Ergonomic design: Five adjustable height settings allow you to place the stand upright or flat and hold your laptop in position. It is also equipped with an anti-slip panel to effectively prevent the laptop from slipping. 2 USB ports and large metal mesh laptop cooling stand, simply plug it into the USB port of your laptop and use it. Equipped with two USB ports for data transmission or connection to other devices, including a USB cable for you. The large metal mesh provides excellent heat dissipation performance. The design with four diamond-shaped grooves provides better heat dissipation space to accelerate heat dissipation. 20dp Quiet Cooling Fan: Uses a quiet fan with low noise and high efficiency to create a quiet environment while maintaining cooling performance. With simple functions, it is equipped with a wind speed adjustment function so you can adjust the amount of air you need according to the scene, such as music, work or games. Universal Compatibility: The laptop cooling pad meets your needs for using notebook at home/office/outdoor, working/gaming. Lightweight and portable, the laptop cooling pad works with most laptops up to 17 inches. Meets your needs when using a laptop for work at home or in the office. Product size: 363mm*260mm*32mm Product weight: 0.9-1.1(KG) Power port: USB 2.0/1.1*2 Rated current: 0.38A Fan speed: 1400s15%RPM Packing list: - 1*laptop cool box - 1*mouse pad - 1*USB charging cable