Large metal mesh surface with two quiet 14 cm diameter fans featuring blue LED lights, ensuring perfect heat dissipation. Special airflow outlet design keeps your notebook cool during use and can be used on a desk or in bed. Slim and lightweight, allowing you to store it in your laptop bag and take it anywhere. The 2 USB ports on the Laptop Cooling Pad allow connection of more USB devices. One port connects to the laptop for power supply. The other connects additional USB devices like USB flash drives, keyboards, etc. Unique design, comfortable feel, keeping you and your notebook in a safe and comfortable situation. Item Model Number: N192 Voltage: 5V Current: 0.4A: 4.0W Number of Fans: 2PCS Fan Size: 14CM Fan Speed: 1000±10%RPM Color: Black Material: Metal, Plastic Size: 33.0 x 25.0 x 2.5CM Package Contents: 1 x Laptop Cooling Pad. Only the above package content is included; other products are not. Note: Light and different displays may cause the color of the item in the picture to differ slightly from the real item. The allowed measurement error is +/- 1-3cm.