Save space, energy and money when you use EarthWalk's Mini+Max High-Efficiency Charging Laptop Storage Cart with Wireless Networking. This cart is specially designed to take up less floor space and use less energy than standard laptop storage carts; unique charging technology allows 24 laptops to be charged from a single electrical outlet, making them 85 percent more efficient than most others. Five-inch wheels and integrated wireless technology make it easy to store, transport and use your mobile lab anywhere you need it. Choose the color that you like best.