The Amazon Echo Plus (1st Generation) Smart Speaker in Black is a wireless smart speaker with a subwoofer, featuring 7.1 channel surround sound formats and 20W RMS power. It is compatible with Alexa for voice control and has Bluetooth and WiFi connectivity. The smart speaker is cube-shaped, made of plastic, and designed for use with Amazon devices. It has a built-in battery with a capacity of 5.85 mAh and measures 10 inches in length, 9.5 inches in height, and 3 inches in width. Additionally, it includes features like Internet Radio and banana jack audio inputs.
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