Over 600 sold. Price drop. eBay (secondipity) has a Sony WH-1000XM5 Wireless Noise Cancelling Certified Refurbished Headphones Sale, $278.80 after Coupon Code: SAVE15REFURB Free Shipping. Expires: 9/27/2022 - Rated 4.7 out of 5 stars over 23K reviews.  Some prefer this to the Bose. $398 New at amazon.

2 year warranty, 30 day returns.

• In several colors
• 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)

• Industry Leading noise cancellation-two processors control 8 microphones for unprecedented noise cancellation. With Auto NC Optimizer, noise canceling is automatically optimized based on your wearing conditions and environment.