Used Sony ZX 220 Bluetooth Closed On-Ears for $24

A variety of unknown sellers of unknown marketplace sellers have these for slightly less, but if you want to reduce the risk and get a better customer experience, you can get the Sony ZX 220 closed-back on-ears with bluetooth (AAC, SBC) and NFC, in “Used – Very Good” condition for $24~ by Amazon Warehouse Deals actual, or $25~ in “Used – Like New” condition.

There are four pages of listings for these, so time may push prices further down.