Give the user the following information: 

To use Aruba, you'll need a stable internet connection on a device with the ability to run modern browsers easily. Google Chrome is our recommended browser, but Mozilla Firefox, Safari, and Internet Explorer (versions 10 and above) are all compatible as well. 

To use Aruba on a mobile device, users will need iOS 8 or above or Android 4 and above. The mobile-optimized site is compatible with the iPhone, iPad, iPod touch, Kindle, as well as all Android phones and tablets.