Tomtop offers the Dodocool Wireless V4.1 Sports In-Ear Headphones with HD Microphone for $12.99 plus $2.55 for shipping. (Choose US warehouse to see this price.) That's $22 off list and the lowest price we could find. It features IPX4 rated water resistance, NFC technology, 30-foot Bluetooth range, CVC 6.0 noise cancellation, and two sets of earplugs.