The Pokemon Presents showed off Pokemon Go Plus +, a device that will be compatible with Pokemon Go and Pokemon Sleep.
Here's where to pre-order the Pokémon Go Plus +
Pokémon GO Web Store
Is the Pokemon GO Plus+ Worth $55 and Should You Buy It?
Pokémon GO Plus + : Video Games
Nintendo Pokemon Go Plus : Electronics
Pokemon GO Plus + pre-order: Where to buy & Pokemon Sleep uses
Everything you need to know about the Pokémon GO Plus
Pokémon GO Plus + : Video Games
Nintendo Pokemon Go Plus : Electronics
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Pokemon GO Plus + pre-order: Where to buy & Pokemon Sleep uses
Pokémon GO Plus + : Video Games
Where to Preorder Pokemon GO Plus + (And Other Questions Answered)