【Contains 4 large cooling fans】 Equipped with 4 powerful cooling fans with a length of 5.1 inches (13 cm) and a fan speed of 1400 ± 15% rpm. The cooling fan can be adjusted according to the heat level of the laptop. Adjustable 6-speed airflow, two high-speed fans for 360° heat dissipation. 【Ergonomic design】With the 30° adjustable height setting, you can place the stand upright or flat and keep your laptop in the right position. It is also equipped with a non-slip plate that effectively prevents the laptop from slipping. 【2 USB ports and large metal grille】 Simply plug the laptop cooling stand into your laptop's USB port and use it. Equipped with two USB ports for data transfer or connection to other devices, including a USB cable for you. The large metal grille 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 its simple functions, it is equipped with a wind speed adjustment function so you can adjust the amount of airflow according to the scene, such as music, work or games. 【Universal Compatibility】 The laptop cooling pad meets your requirements for using notebooks at home/in the office/outdoors, at work/while gaming. The lightweight and portable laptop cooling pad works with most laptops up to 17 inches. Meets your needs when using a laptop at home or in the office for work. -Product size: 406x297x30mm -Rated voltage: DC 5V -Power supply: 2 USB ports 2. -Operating current: 0.75s10%A -Input power: 3.75W -Weight: 733g -Number of fans: 4 -Fan speed: 1200s10%RPM Packing list: -1*laptop cooling box -1*mouse pad -1*USB charging cable With 4 powerful 5.1-inch fans (1400 ± 15% RPM), this cooler ensures optimal heat dissipation. 6-stage airflow and 360° cooling adjustable. The stand is height-adjustable by 30°, ideal for a healthy posture. Non-slip plate prevents the laptop from slipping, ensuring stability and comfort. Easy to use via USB, two ports for devices and data. Large metal grille improves heat dissipation for maximum cooling efficiency. The 20dB fan operates efficiently and quietly. Adjust the wind speed for different scenarios such as music, work or gaming. Ideal for laptops up to 17 inches, perfect for home, office or on the go. Lightweight and portable, meets all cooling needs for work and play.