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Amazon Echo is a wireless speaker and voice command device from Amazon.com. It has a voice command known as "Alexa" which serves as the wake-up word of the device in a similar way to Siri. Echo is capable of playing music, question answering, and controlling smart devices.

The Echo has of a 9.25-inch (23.5 cm) tall cylinder speaker with a seven-piece microphone array and a 1.7lb weight. It has a control over smart devices using the device itself as an automation hub. Echo is capable of voice interaction, music playback, making to-do-lists, streaming podcasts and setting warnings like an alarm. It is also can provide weather and traffic updates and other real-time information.

The device is Amazon's smart home assistant which requires a Wi-Fi internet to function. The voice recognition Alexa is based on Amazon Web Services and the Amazon common voice platform. The Echo's microphone can be manually disabled through the audio processing circuit.

The voice commands manual controls too. The volume can be adjusted at the top of the cylinder device. The buttons on top can also be used to deactivate and enable the microphones.

The cylinder gadget offers weather updates from AccuWeather and news from an array of sources. Echo has local radio stations such as NPR, and ESPN from TuneIn. Echo can also stream music through AppleMusic and Google Play Music from smart gadgets. 

Another good thing, Echo maintains voice-controlled alarms. It has timers, shopping option, and to-do lists. For students and information genius, it will be useful because it can access Wikipedia articles. It seems that Amazon has been pushing great technology into the hands' of their loyal consumers.

Amazon Echo costs $199, however, for Amazon Prime members it priced to $99. It is a good incentive to sign up for the Amazon Prime membership. However, this is for limited time offer.