Sony WF-1000XM4 specifications Design and comfort ... Those don't fit as securely as the XM4's ear-plug style, but they are more comfortable. Something else to note — the Sony Headphones app ...

The Sony WF-1000XM4 earbuds have topped our guide to ... That's always a welcome upgrade, and while we didn't note the size of the XM4's to be an issue, some users have reported struggling with ...