Mpow Cheetah Bluetooth Headphones, $20 with code 9Z3RK7YU

Mpow’s Swift Bluetooth headphones dominated the early years of Bluetooth earbuds, and the company’s ergonomic Cheetah line looks like a great sequel. If you want to try out a pair, promo code 9Z3RK7YU will knock them down to $20.

Note that this is actually the second generation of Cheetah earbuds; Mpow claims to have improved their water resistance this time around, making them perfect for exercise.