Train harder with the JBL Endurance RUN 2 in-ear wired sport headphones. Their FlipHook design lets you customize the way you wear them, and their TwistLock and FlexSoft technologies keep them securely in place throughout your toughest workouts. They offer a convenient in-line microphone and remote and have a rugged sweatproof construction. | JBL Endurance RUN 2 In-Ear Wired Sport Headphones - Black