What is Pokémon GO Plus and how does it work?

Does this work for a pokeball+ or only the Go+? : r/pokemongo

Playing with Pokémon GO｜Pokémon GO Plus + official website

Coming Soon: Pair with Pokémon GO Plus +!

Everything you need to know about Pokémon GO Plus+, the new accessory for Pokémon Go and Sleep - Meristation

Here's where to pre-order the Pokémon Go Plus +

Pokémon Go Plus + price and features

What is Pokémon GO Plus and how does it work?

Pokémon GO Plus + Troubleshooting Information – Pokémon Support

How to connect your Poké Ball Plus to Pokémon GO on iPhone and Android

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Playing with Pokémon GO｜Pokémon GO Plus + official website

What is Pokémon GO Plus and how does it work?