All Bluetooth versions explained: How the technology evolved over the years

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Credit: Robert Triggs / Android Authority


Within a span of just a couple of decades, Bluetooth has evolved from a niche wireless protocol to a ubiquitous technology that we rely on daily for connecting everything from headphones to smart home devices. It’s now the go-to standard for short-range wireless communication, with perhaps only Wi-Fi surpassing its usefulness and popularity.

But while Bluetooth may seem like a rather stable and unexciting technology on the surface, the protocol has actually undergone several critical changes over the years. In fact, the benefits of some older Bluetooth versions still haven’t made their way into our devices yet.




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