You can pair an Alexa-compatible remote with your Echo by using the Alexa app on a mobile device.
Alexa Voice Remote (3rd Gen)
How to Remotely Control and Access Alexa
Sound Upgrade: How to Use Your Echo as a Speaker for Your Television
How to Connect a Fire TV Remote to Echo Show 15 - Alexa
How to Connect a Fire TV Remote to Echo Show 15 - Alexa
Alexa Voice Remote Pro, Fire TV Remote
COMPATIBILITY: Remote Plus V2 is only compatible with Alexa Voice Remote (3rd Gen). PRIVATE LISTENING: Plug headphones into the Remote Plus V2 audio
Alexa Voice Remote (3rd Gen) with TV controls, Requires compatible Fire TV device, 2021 release
Certified Refurbished Echo Show 15, Full HD 15.6 smart display with Alexa and Fire TV built in
Alexa Voice Remote Pro Review
Echo Show 15, Full HD 15.6 smart display with Alexa and Fire TV built in
Fire TV Voice Remote Pro review: Is it worth the upgrade?
Orvibo Smart Remote Control Allone Pro Universal Control IR 433MHz Connected Work With Echo Alexa For Smart Home Automation