If you’ve always wanted plush cat ears that you could wear in public that could express whatever mood you’re in, the Japanese company Neurowear has just the thing for you—the Necomimi.

Using electroencephalography technology (which doctors use to detect seizures and measure brain activity), these ears supposedly respond to the wearer’s mood—dropping when you’re relaxed or out of it, perking up when you’re horny excited or concentrating and wiggling when you’re both horny excited and relaxed at the same time.

And all this can be yours for just $99 U.S. Check it out: