Pok? Ball Plus lights up, vibrates, and plays sounds based on what you do in Pok?mon: Let?s Go, Pikachu; or Pok?mon: Let?s Go, Eevee; If a friend has a Pok? Ball Plus of their own, they can help you catch and battle alongside you to make it a 2 player adventure; When you take your favorite Pok?mon out with you in the Pok? Ball Plus accessory, you can also gently shake it to hear the Pok?mon inside; Connect Pok? Ball Plus to the Pok?mon GO; app and it will light up and vibrate when you?re near a Pok?mon or Pok? Stop