Watch out AirPods, the Sony WF-1000XM4 are a long-awaited successor to one of the best wireless earbuds ever – and they could be coming with two major upgrades.

A prototype of an upcoming pair of wireless noise-cancelling earphones from Sony with the model number YY2948 has been certified by the FCC and Bluetooth SIG and should the codename really match up with the Sony WF-1000XM4, we could be in store for a number of big upgrades.

Chief among them is the usage of Bluetooth 5.2 will give the true wireless earbuds better battery life thanks to its lower power usage and a wider bandwidth to transmit data – potentially allowing for better-sounding audio, too.
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