AltaTac via Walmart offers the Vibe Sound DJ-Style Stereo Headphones in Black, Blue, Pink, Green, or White for $7.99 with free shipping. That's the lowest total price we could find by $4, outside of the mention below. They feature an adjustable headband, 40mm neodymium drivers, and 3.5mm jack.

A close price: ABC SuperCenter via Amazon offers them for $8.89 with free shipping for Prime members.