Used - Sony WH-1000XM3 Wireless Noise Canceling Over-Ear Headphones In perfect condition: lightly used pair of Sony WH-1000XM3. Works great. Guarantee: 2 days. Garey store provides 2 day guarantee for this product. You can request to return the product “as-is” if you found it not matching the description, so feel free to check the product upon delivery for your convenience.