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Additionally, a noteworthy improvement with the Neo GMA is its earrings, described as light loops that provide real-time visual feedback. This feature aims to make the robot's interactions with humans more intuitive. This concept echoes prior innovations in robotics, akin to Agility Robotics' Digit, which employs a head to communicate intention visually. Though 1X has not explicitly detailed how these earrings function, one can speculate their application may include signaling when the robot is executing a command, planning its next action, or responding to battery life indicators.