Knots, snags and getting caught– don’t let wires get in the way of your workout. Break free and enjoy rich Bluetooth® sound that's better than wired on the S11-FLEX HD headphones.

With five adjustment points, ear stems that lengthen and rotate and even different ear buds to choose from, the S11-FLEX HD will fit and stay put like no other headphones. So whether you’re rock climbing or jamming on your commute, these headphones are the perfect pair.

Five EQ settings give you the freedom to fine-tune sound to fit any song and every moment. Whether you want to pump up the bass, energize to brilliant high notes, relax with perfect balance, or listen to music raw and unmodified – selectable EQ surrounds you with the sound you want in one touch. Need to take a call? Hear it perfectly with Vocalizer, a setting distinctly created for phone calls.

The S11-FLEX HD is armed with a protective coating and moisture-repellant mesh for maximum durability. Sweat, humidity, or a damp gym bag -- nothing will get in the way of your music. So go ahead, move, sweat and rock hard.

Welcome to wireless that works. Connect to all kinds of Bluetooth-enabled devices. Phones, laptops, MP3 players, the S11-FLEX HD is compatible with them all. Now you can have one custom-fit headset for all your wireless toys.