Ebay offers Refurbished Sony WH-1000XM4 Wireless Noise-Cancelling Over-the-Ear Headphones - Black  for $228 (orig. $349.99) with free shipping.

Product Description:
Sony's intelligent industry-leading noise canceling headphones with premium sound elevate your listening experience with the ability to personalize and control everything you hear.
Specifications:

• Industry-leading noise canceling with Dual Noise Sensor technology
• Next-level music with Edge-AI, co-developed with Sony Music Studios Tokyo
• Up to 30-hour battery life with quick charging (10 min charge for 5 hours of playback)
• Touch Sensor controls to pause/play/skip tracks, control volume, activate your voice assistant, and answer phone calls
• Speak-to-chat technology automatically reduces volume during conversations
• Superior call quality with precise voice pickup
• Wearing detection pauses playback when headphones are removed
• Seamless multiple-device pairing
• Adaptive Sound Control provides a personalized listening experience
• Updated design relieves pressure for long-lasting comfort