Comes With Power Adapter Our most popular Echo is now even better. With a new speaker and design, Echo Dot is a voice-controlled smart speaker with Alexa, perfect for any room. Just ask for music, news, information, and more. You can also call almost anyone and control compatible smart home devices with your voice. Upgrade your home with the Amazon Echo Dot. Stream music from a variety of applications such as Spotify, SiriusXM, and Amazon Music. Connect other speakers to the Echo Dot over Bluetooth or 3.5mm audio cable. Utilizing Alexa, turn off lights, unlock doors, and change the thermostat with applicable connected home devices. Amazon Alexa built-in 1.6-inch speaker Over 50,000 Alexa skills