Here is a social robot head with 6-axis of motion designed to work with Alexa. Alena can move its head, eyes, and mouth as you interact with it. It helps people get used to the idea of having robots all around you.
These robot heads have an aluminum frame and move with heavy duty robot Dynamixels and high efficiency PWM servo motors. They feature voice recognition/synthesis, on-board camera for vision, and object tracking.
[HT]