Below information taken from wikipedia:

The BlackBerry PlayBook was a mini tablet computer developed by BlackBerry and made by Quanta Computer, an original design manufacturer (ODM). It was first released for sale on April 19, 2011, in Canada and the United States.

The PlayBook is the first device to run BlackBerry Tablet OS, based on QNX Neutrino, and runs apps developed using Adobe AIR.[3] It was later announced that the BlackBerry Tablet OS would be merged with the existing BlackBerry OS to produce a new operating system, BlackBerry 10, that would be used universally across BlackBerry's product line. A second major revision to the BlackBerry PlayBook OS was released in February 2012. The PlayBook also supports Android OS applications, allowing them to be sold and installed through the BlackBerry App World store.

This Blackberry PlayBook has been taken care of as long as it has been owned. We are downsizing and trying to get rid of things we don't use.