At eBay, with promo code “SHOPBRANDS20”, these Sony WH-1000XM6 headphones drop to $237, which is 20% off the $296 listed price. The seller is Sony authorized and the refurbished pair carries a two-year warranty. Free 30-day returns apply, and the code is capped at $500 in savings. Coupon ends November 15. Buy Now at eBay