SoundPeats Audio via Amazon offers Prime members the Soundpeats Qy7 Bluetooth Sport Earbuds in Black/Green for $19.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.14.) That's $10 under our mention from a year ago and the lowest total price we could find by $10. These sweat-proof earbuds feature up to eight hours of playtime on a full charge and up to 150 hours standby time.