with Echo Dot(4th Gen)

Latest generation of our best-selling Fire TV device – 50% more powerful than the 2nd generation for fast streaming in Full HD. Includes Alexa Voice Remote with power and volume buttons.
Less clutter, more control – All-new Alexa Voice Remote (3rd Gen) lets you use your voice to search and launch shows across apps. All-new preset buttons get you to favorite apps quickly. Plus, control power and volume on your TV and soundbar with a single remote.
Home theater audio with Dolby Atmos – Feel scenes come to life with immersive Dolby Atmos audio on select titles with compatible home audio systems.