Large metal case with a 14cm diameter silent fan with blue LED lights, makes heat dissipation perfect. Special air outlet, keeping your laptop cool during use, and can be worked on the desk or on the bed Slim, lightweight, allowing you to put it in your laptop bag and take it with you wherever you go. The built-in dual-head USB hub for laptop 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 flash drives, keyboards, etc. Fashion and unique design, comfortable feel, keep you and your laptop in a safe and comfortable situation Size: 33.0 x 25.0 x 2.5 cm Material: metal mesh, plastic Color: black Package Contents: 2 x Laptop Cooling Pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.