Best Buy offers the JayBird X3 Wireless In-Ear Headphones in
Blackout, model no. 985-000850, or Sparta, model no. 985-000853, for $99.99 with free shipping. That's $30 off list price and the lowest total price we could find. They feature a 20Hz-20kHz frequency response, 5.8mm drivers, and Bluetooth 4.1.