Adidas True Wireless Sports Earbuds

With this earbud, you can listen to music for up to 5 hours, and you can charge it on the go for 20 hours. It is sweat-proof and splash-proof IPX4 rated, with a frequency response of 20Hz to 20kHz. The price drops from $99.99 to $61.20 w/ free shipping.

Choose a night grey color to get this price.