Why are my earbuds randomly speeding up my music?

I have an iPhone 6 and some Sony earbuds. When I use the Sony earbuds they sometimes randomly activate siri or pause my music. Recently they've been speeding my music up randomly. To make sure it wasn't faulty software I changed to my apple earbuds. The music went back to normal.

Who knows. It might be something apple added. Apple is very proprietorial. Chargers, connectors, you name.
For example: you can't charge full speed if you don't have an apple charger because they made theirs different so on their official charger will charge items at full speed.

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