User Manual Samsung UN55CU7000FXZA 55-inch Class Cu7000 4k Crystal Uhd Smart Tv

No, the CU7000 TV does not have a microphone for a voice assistant.

Please know that many of the buttons on your remote have multiple functions. For example, the Volume button is moved UP/DOWN to adjust the volume, and to MUTE the sound; you need to PRESS it in. If that same button is pressed for more than 1 second, the Accessibility Shortcuts appear. You can find more information regarding the remote on pages 22-24 of the full user manual. To set up local channels, please follow these steps:
1) Make sure your Antenna or Cable box is set up, and then connect it to the TV vis the ANT IN.
2) Go to Source> TV
3) Press Setting> All Settings> Broadcasting> Auto Program
4) Start to begin Auto-Programming, and then select either Air, Cable, or Both
5) Your TV will begin to scan for channels.
After it's done, select Close to finish

The operating temperature on the CU7000 is between 50˚F to 104˚F. Operating humidity is between 10% - 80%. Storage temperature ranges between -4˚F to 103˚F. Conditions falling outside these ranges may lead to serious damage to your TV