Sony WH-1000XM3 vs Sony WH-1000XM4: which are better?

Is there still mileage in older Sony

Sony Wh-1000xm4 Headphone Charging Stand Wh-1000xm3/wh-1000xm5 Compatible Charging Cradle

Sony WH-1000XM4 Vs. WH-1000XM3: Which one should you buy?

Replacement Side Cover Slider Parts KIT for Sony WH-1000XM4 Headphones Each kit contains the necessary tools and instructions to replace your broken inner and outer covers on BOTH SIDES (Left and Right). (NOTE: The color of parts are black and will not exactly match the color of original Sony parts). These are replacement parts designed and manufactured by CentralSound and not original Sony Parts.

Replacement Side Cover Slider Parts Headband Upgrade Kit for Sony WH-1000XM4 WH1000XM4 Headphones

Open Box Sony WH-1000XM4 Wireless Premium Noise Canceling Overhead Headphones with Mic for Phone Call and Alexa Voice Control, Black

Sony WH-1000XM4 vs Sony WH-1000XM3 - Reviewed

Wireless Headphones Comparison: Sony WH-1000XM3 vs Bose QuietComfort 35 II vs Beats Solo Pro : r/headphones

Sony's Noise-Cancelling Headphones Are the Cheapest They've Ever Been on

Sony WH-1000XM4 review: the best get even better

Sony WH-1000XM4 headphones have subtle design changes - CNET