HP Expansion Jacket. Brand compatibility: HP, Compatibility: ElitePad. Colour of product: Black – Quickly and easily store, share, and transfer files with the integrated micro SD reader. – The sleek design snaps onto the HP ElitePad without inhibiting its mobility. – For uninterrupted productivity throughout the day, simply insert an HP ElitePad Jacket Battery (sold separately) into the jacket before you insert the HP ElitePad. – Pass-through stereo sound supports the audio features on the HP ElitePad so you can keep listening while cutouts allow you to quickly dock in the HP ElitePad Docking Station (sold separately) for even greater expansion and connectivity. – Rest easy with the one-year HP limited warranty.