The Echo device has the ability to recognize the user's voice control
To use Echo, the user turns on Wi-Fi so that the device connects to Amazon's server system, then sets the startup command for the device ( such as "Hello" ).
Whenever you want to interact with Echo , the user says " Hello " with the question. Immediately, the device will respond to users.
In addition, users can order Echo to turn on / off a certain track, look up information, show how to cook dishes .
According to Neowin , Echo has 7 different microphones, so it is very sensitive in receiving commands.
Currently Echo has been available in the US market, with a retail price of US $ 199 per device.