Sony WF-1000XM4 review: Software updates help keep these excellent earbuds on top - CNET

While they cost more than their predecessors, Sony

Sony WF-1000XM4 Firmware 1.6.1 : r/SonyHeadphones

Sony WF-1000XM5 Earbuds Review: They're Smaller and Even Better - CNET

Sony WF-1000XM4 review: Excellent earbuds, awkward fit

Sony WF-1000XM4 earbuds review: Big-time upgrade - Video - CNET

Sony WF-1000XM4 review: Excellent earbuds, awkward fit

Sony's noise-canceling WF-1000XM4 earbuds are on sale for $100 off - The Verge

Sony WF-1000XM4 review

The tips are made from memory foam that responds to your body heat and expands to fit your unique ear-shape and create its seal. The result is a fuller audio experience as well as a fit that won't move while you move about. The tips are designed to fit in the earphone's case without interfering with charging. They also offer TechDefender protection an acoustically transparent filter to protect your earphones from moisture and debris while offering passive noise-reduction.

Comply Truegrip Pro Eartips for Sony Wf-1000xm3 True 35-42331-11

The Impact Earbuds – Raycon