Echo Dot includes a built-in speaker. It can also connect to external speakers or headphones through Bluetooth or 3.5 mm stereo cable. With seven microphones, beam-forming technology, and noise cancellation, Echo Dot hears you from any direction-even in noisy environments or while playing music. Echo Dot includes a built-in speaker. It can also connect to external speakers or headphones through Bluetooth or 3.5 mm stereo cable. Call or message anyone hands-free who also has an Echo device or the Alexa App. Simply ask - Alexa, how do I set up calling. to get started. Controls lights, plugs, and more with compatible connected devices from Philips, Syska, TP-Link and Oakter. Dimension - 3.2 X 8.4 X 8.4 cms

ECHO DOT:

Amazon Echo is a hands-free smart speaker that you control using your voice. It connects to Alexa - a cloud based voice service to play music, make calls, check weather and news, set alarms, control smart home devices, and much more.