the Media Link HD which allows you to watch on a big screen, movies and content from HTC Watch, your own videos, YouTube clips and others. The amazing thing about Media Link HD is that you can use your phone to do other things while the video on the big screen will not be affected. You can end the link with a special three-fingered gesture. This accessory will cost 79.99 GBP after taxes ($125.33 USD).
Other accessories include car and desktop cradles, cases and screen protectors. To view the entire list, visit the sourcelink.
source: Clove via Phandroid