Tenswall Laptop Cooling Pad, Portable Ultra-Slim Quiet Laptop Notebook Cooler Cooling Pad Stand with 4 USB Powered Fans, Fits 11-17 Inches Powerful, Ultra-quiet and High Efficiency: 4 cooling fans with 1200RPM and red LED Lights help circulate excess heat dissipation from your laptop. Multi-function Speed Controller and Widerange Application: This laptop cooler features a multi-function speed controller, which can not only control the on/off swtich but can also adjust the speed of the laptop cooling fan. The Tenswall laptop cooling fan is compatible with a variety of 11"-17" laptop computers including Apple Macbook Pro Air, Hp, Alienware, Dell, Lenovo, ASUS, etc. Ultra-slim and Skid Proof Design: This slim, portable and light weight laptop cooler allows you to protect your laptops with a unique skid proof design. This sleek laptop pad reduces the damage sustained from crashes and the modern and delicate appearance and built-in LED indicators add a modern to your home. Extra USB ports and switch: The Tenswall laptop cooling pad features an extra USB port and wind speed switch design as well as a built-in dual-USB hub. The dual-USB hub allows you to connect to more USB devices and the adjustable fan speed gives you the best balance between silence and performance. Impact-resistant and Ergonomic Comfort: The Tenswall Laptop cooler is crafted from high-quality ABS material to extend the service life. It also doubles as an ergonomic stand with two adjustable height settings for even more customization.