TomTop offers the QKZ CK8 Wired In-Ear Headphones in Black/Red for $3.79 with free shipping. That's the lowest price we could find by $4. They feature a built-in microphone, 8mm and 10mm dual moving coil unit, 20-20KHz frequency, and universal 3.5mm gold-plated plug. Deal ends July 31.

Note: This item ships from China and may take up to four weeks to arrive. The countdown timer on the product page does not reflect an actual expiration time and resets daily.