Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. What is Bluetooth? – Henry, age 13, Somerville, ...

Bluetooth dual device connectivity, aka "multipoint," isn't an official feature or spec. It's an application of Bluetooth technologies, and each manufacturer wields it differently. Further migration ...