I have a brand new pair of PSB M4U8 headphones for sale. These are a warranty replacement. The box is still in shrink-wrap. This is an excellent pair of portable headphones, and the best Bluetooth headset I've ever heard. They are considered very good noise-canceling headphones as well. I prefer a sale, but am open to trades. For a sale, I'll cover shipping and PayPal for US buyers. Here's a review https://hometheaterreview.com/psb-m4u-8-noise-canceling-wireless-headphones-reviewed/
