Amazon Alexa is a voice assistant developed by Amazon Mobile LLC that can be used in various scenarios. At the same time, the app supports voice interaction, music playback, making to-do lists, and providing weather, traffic, and other real-time information such as news, added shopping, and more.

Next, the application can connect to Amazon’s smart speakers, and complete various operations through voice commands. At the same time, it also supports third-party developers to settle in, and better develop the intelligent functions of voice assistants. What’s more, using this app can strengthen the linkage between the smart speaker and your mobile phone, ensuring that you can better control the speaker, and it is also like Siri, you can get help from this application.

Simply put, Alexa is a personal virtual assistant pre-installed in Amazon Echo, which can receive and respond to voice commands. Alexa can be regarded as Amazon's version of Siri voice assistant.

When using the Echo, just say “Alexa” to start asking questions, including news, creating task reminders, setting an alarm time, or playing music. At the same time, Alexa can also interact with various smart home devices to control the thermostat or adjust the lights.