These splashproof headphones have loop hangers for a secure fit when you exercise. And with dynamic audio, you’ll be able to power through any workout.. When you’re working up a sweat you need headphones that stay secure. Choose from four sizes of silicone earbuds, clip to your ears, then get exercising. Don’t stop a workout when your phone rings. With a remote control and built-in microphone, you can take calls and switch tracks without reaching into your pocket.