Visually, the main difference is the company moved the on-board controls from the cable that attaches to the left bud down to the thin pod on the end of the neckband. That band that rests on your collar is where the Flex gets its name. Beats says this “Flex-Form” cable is made of nitinol, or… Continue reading New Beats Flex Wireless Earphones are ideal workout companions at $40 Save 20%