BarStore via Amazon offers the Mpow Swift Wireless Bluetooth Earbuds in Green, Black, or Orange for $19.98 with free shipping. That's $2 below our mention from last week and the lowest total price we've seen. (It's a current low for any color by $2.) These sweatproof headphones feature Bluetooth 4.0, microphone, up to five hours talk/play time, up to 185 hours standby time, and three sizes of eartips. Deal ends May 18.