The speakers take power from laptop through USB. So you have to plug them to the laptop for power and insert the audio jack to phone/tablet.

Business users are also finding great value in owning a tablet PC. Being more portable than a laptop and able to perform most basic business tasks such as author or edit a document, slideshow or email, tablets have become the preferred productivity enhancement tool for many business professionals. Often much cheaper than a business laptop, a tablet

Android Tablets. Android is an operating system created by Google. It's open to any manufacturer who wants to use it, and like Apple, it offers its own vast app store. For a company to be allowed to access the app store, Google Play (formerly known as the Android Market), the tablet must be certified by Google.