BLACK-BOTTOM_V1.1 is a universal base designed for the Basic (Core) console. Compared to its predecessor, the Core Bottom, this base is equipped with a battery switch at the bottom to extend battery life. It contains a 110mAh lithium battery and features expansion with 2.54mm spaced male and female pin headers for easy user expansion. Embedded magnets in the bottom allow for magnetic attachment, making it versatile for various scenarios.