HTC One Remix - Manual (Page 157)

About HTC Media Link HD
Plug in HTC Media Link HD to any TV with an HDMI port. Then swipe up
with three-fingers on HTC One remix to connect and display content
wirelessly to your TV.
HTC Media Link HD is sold separately.
Multitask with dual-screen display
HTC Media Link HD gives you dual-screen display when you're:
§ Viewing a video in Gallery
§ Playing music in the HTC Music app
While you're playing media on the big screen, you can multitask and do
other things such as take calls, browse the Web, or send email on
HTC One remix.
Entertainment 157