Question: what are echo supported devices?
Answer: Amazon Smart Plug. Amazon. ... 
Philips Hue A19 Starter Kit (Hub + 2 bulbs) ... 
Fitbit Versa 2. ... 
Ecobee Smart Thermostat. ... 
Ring Video Doorbell. ... 
Blink Indoor Camera System. ... 
Samsung SmartThings hub V3. ... 
Insignia 4K HDR Fire TVs.