Ebay offers Refurbished Bose QuietComfort Ultra Noise-Cancelling Earbuds for $169 (reg $299) with free shipping.

Product Description:
These spatial audio earbuds with Bose Immersive Audio push the boundary of what it means to listen. So you get music that sounds realer than ever before.

• Spatial audio earbuds: What you hear is placed just in front of you, so it’s like you’re listening without wearing earbuds
• World-class noise cancellation: Quiet Mode engages full noise cancellation so you can focus. Aware Mode feels as if you aren’t wearing headphones at all
• Everything tailored to you: CustomTune tech analyzes your ears, adapts to the shape, and auto-adjusts to personalize the sound and noise cancellation
• Comfort and stability for any ear: Nine possible combinations of eartip and stability bands (now even easier to swap out) ensure the most comfy and stable fit for your ears
• Go ahead, listen longer: The earbuds play for up to 6 hours (up to 4 hours with Immersive Audio)* and the case holds up to 3 additional full charges