Amazon Echo is a hands-free speaker you control with your voice.  Echo connets to the Alexa Voice Service to play music, ask questions, make calls, send and receive messages, provide information, news, sports scores, weather, and more – instantly.  All you have to do is ask. Echo has an enhanced speaker that now features Dolby processing for improved immersive sound.  It has seven microphones and beamforming technology so it can hear you from across the room – even while music is playing.  When you want to use Echo, just say the wake word “Alexa” ad Echo responds instantly.