SURGE Bone Conduction Headphones SURGE BC Underwater headphones use our latest Bone Conduction technology designed for swimming. The headphones use our new custom developed transducers that are extra small and slim yet deliver excellent sound quality underwater. Compatible with STREAM 3 PRO and STREAM DM players ONLY. Not compatible with other brand MP3 players. Bone Conduction Technology Bone Conduction is the transmission of sound to the inner ear primarily through the bones of the skull, allowing the swimmer to hear audio seamlessly underwater. Bone Conduction aka open-ear headphones. Short Cord or Normal Cord versions: The Short Cord is only approx. 1ft/30cm long. Minimal cord hassle and optimized for head mounted players. The Normal Cord 3.7ft/114cm long is for a player that are clipped on your waist or player in your pocket. Waterproof: H2O Audio technology ensures these headphones can withstand complete submersion to 12ft/3.6m underwater. Waterproof Rating: IPX8. Designed for Swim Goggles: The speakers clip onto your swim goggle strap and sit on your cheek bone or in front of the ear. Slide and adjust the speaker location that gives you the best sound. To maximize sound quality - use the included earplugs to block any water entering your ear. What's in the Box: SURGE BC headphones, User Guide, Earplugs to enhance sound quality. Compatible with STREAM 3 PRO and STREAM DM ONLY . The SURGE BC is not compatible with earlier STREAM player models, or other brand MP3 players. SKU: BCH-SHO *Excluded From Discounts