The LEGO® Technic™ Large Hub is a powerful yet easy-to-use brick-shaped device featuring 6 input/output ports for connecting a wide range of sensors and motors. It includes a customizable 5×5 light matrix, Bluetooth connectivity, a built-in speaker, a 6-axis gyro, a rechargeable lithium-ion battery, and a micro USB port for connecting to compatible computers and tablets. The Large Hub can also be built together with LEGO Technic and System elements to create fun robots, interactive devices and models, and other dynamic creations.