I tried refurbished Sony WH-1000XM4 headphones for $218, here's what happened - CNET

Sony XM4 Wireless Noise Canceling Over-Ear Headphones Get deep into your music or your work with these Sony XM4 noise-canceling headphones. This device has an HD Noise Canceling Processor QN1 that takes in data regarding ambient noise, then adapts your music and acoustics at a rate of 700 times per second to help bring you the ideal sound canceling. In addition to this processor, these Sony headphones have a Personal Noise Cancelation Optimizer.

Sony WH-1000XM4 Wireless Noise-Canceling Headphones - Midnight Blue

Sony XM4 Wireless Noise Canceling Over-Ear Headphones Get deep into your music or your work with these Sony XM4 noise-canceling headphones. This device has an HD Noise Canceling Processor QN1 that takes in data regarding ambient noise, then adapts your music and acoustics at a rate of 700 times per second to help bring you the ideal sound canceling. In addition to this processor, these Sony headphones have a Personal Noise Cancelation Optimizer.

Sony WH-1000XM4 Wireless Noise-Canceling Headphones - Midnight Blue

Restored Sony WH-1000XM4 Noise Canceling Headphones w/ Mic and Alexa Voice Control,Silver (Refurbished)

These Sony Headphones Make a Great Gift for Music Lovers (and Readers) - CNET

Sony WH-CH710N review - SoundGuys

Sony WH1000XM4/B Premium Noise Cancelling Wireless Over-The-Ear Headphones, Black

Sony WH-1000XM4 review: A nearly flawless noise-canceling headphone - CNET

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

Sony XM4 Wireless Noise Canceling Over-Ear Headphones Get deep into your music or your work with these Sony XM4 noise-canceling headphones. This device has an HD Noise Canceling Processor QN1 that takes in data regarding ambient noise, then adapts your music and acoustics at a rate of 700 times per second to help bring you the ideal sound canceling. In addition to this processor, these Sony headphones have a Personal Noise Cancelation Optimizer.

Sony WH-1000XM4 Wireless Noise Canceling Over-Ear Headphones (Silver)

Sony WH-1000XM4: The best noise-canceling headphone gets better - Video - CNET

Restored Sony WH-1000XM4 Noise Canceling Headphones w/ Mic and Alexa Voice Control,Silver (Refurbished)

Best Friday deals: Edifier gaming speakers $62, Sony WH-1000XM4 headphones $228, Flexispot standing desk $240 - CNET