Sony’s WH-1000XM4 headphones may let you pair more than one device

A new leak hints at what to expect from Sony’s WH-1000XM4, the upcoming successor to the WH-1000XM3, one of the best wireless headphones on the market.

The details come from Twitter user justplayinghard, who tweeted out information they obtained from a recent teardown of Sony’s Headphones Connect app. The code hints that the M4 headphones may be able to simultaneously pair with two devices, a feature not present in its predecessor. On the current model, you have to reconnect if you want to use a different device.

The M4 may also include a feature called “Smart Talking,” allowing the headphones to detect voices and adjust the ambient sound so you can hear conversations without taking off the headphones. Its predecessor has something…