The Booster T1 is a lightweight humanoid robot built for developers, standing approximately 1.2 m tall and weighing around 30 kg. It offers 23 to 41 degrees of freedom depending on end-effector configuration, with 130 N·m peak joint torque and extra-large joint movement space. It was the champion model in the 2025 RoboCup Soccer AdultSize category and is used by over 50 top global robotics teams and research institutes. Equipped with an NVIDIA AGX Orin delivering 200 TOPS AI performance, a depth camera, 9-axis IMU, and a 6-microphone array, it provides approximately 2 hours of walking and 4 hours of standing runtime. It ships with comprehensive API interfaces, an open-source framework, and open-source tools for streamlined development.