what devices support alexa
Amazon Echo (known in-development as Doppler or Project D and shortened and referred to as Echo) is a smart speaker developed by Amazon.com. The device consists of a 9.25-inch (23.5 cm) tall cylinder speaker with a seven-piece microphone array. The device responds to the name Alexa; this wake word can be changed by the user to either Amazon or Echo. The device is capable of voice interaction, music playback, making to-do lists, setting alarms, streaming podcasts, playing audiobooks, and providing weather, traffic and other real time information.