Large metal surface with a silent 14cm diameter fan with blue LED lights, making heat dissipation perfect. Special airflow outlet design, keeps your laptop cool during use and can be used on the desk or in bed. Slim, lightweight, allowing you to store it in your laptop bag and take it wherever you go. Dual-head USB hub for the cooling pad can connect more USB devices. One is connected to the laptop for power supply. The other connects additional USB devices, such as USB sticks, keyboards, etc. Modern and unique design, comfortable feel, keeps you and your laptop in a safe and comfortable situation. Color: Black Material: iron mesh, plastic Size: 37.0 x 26.5 x 5.5 cm Package contents: 1 x Laptop Cooling Pad 1 x USB cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.