Woot via Amazon offers Prime members the JBL Synchros Reflect In-Ear Sport Headphones for Android in Black for $14.99 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.69.) That's $10 under our July mention and the lowest total price we could find now by $14. They feature a frequency response of 10Hz to 22kHz.