A small entertainment robot. At 58 cm tall, SDR-4X is notable for graceful movement and an impressive repertoire of communication skills. The robot's "real-time integrated adaptive motion control system" coordinates 38 joints all over the body. Able to move in many ways, SDR-4X also features sophisticated voice processing. The robot can sing or dance moving its entire body, enabling more intricate expressions and gestures. Equipped with a pair of CCD cameras, it can also automatically navigate a path through obstacles.