CatEar is a cat ear headband made from 118 RGB LEDs paired with an acrylic structure. Each LED on the strip can be programmed to display any color, and you can set brightness, light flow, and flashing modes. If you want to stand out at a party or Halloween, why not add some cool lighting effects to your outfit? It can be programmed using any type of M5Core and supports any HY2.0-4P interface (A, B, C).