You've likely heard of the Amazon Echo smart speaker, which was the first smart speaker with Alexa built into it. Using your voice, you can control smart home devices, order food, and so on. If you want a slightly more visual experience, it's also worth considering the Amazon Echo Show, which can display information like weather, upcoming calendar events, and so on.
Get the Amazon Echo on Amazon, $59.99 (originally $79.99) [You save $20]
Get the Amazon Echo Show on Amazon, $149.99 (originally $209.99) [You save $60]