Today only, Best Buy is offering the very popular Amazon Echo Dot (2nd Generation) for only $39.99 shipped. Choose from black or white. Interact with Alexa anywhere in your home with the Amazon Echo Dot voice-controlled device. The compact size is a perfect fit in any room, and the built-in speaker lets you set an alarm or stream music. The Amazon Echo Dot voice-controlled device plugs into your home stereo speakers or connects wirelessly through Bluetooth.