The Adjustable Behind-The-Ear (BTE) Ironman Earphones offer all the great features of the non-BTE Yurbud Ironman Earphones (Ear-Lock™ Technology, supreme comfort, etc) but with the addition of the Secure Fit system to hold the earphone more securely against the ear.

• Patented Ear-Lock™ Technology ensure earphones will stay in your ears during strenuous physical activity and is clinically proven to improve sound quality.
• Made from ultra-soft medical grade silicone for unparalleled comfort.
• Designed to allow outside sound in. This promotes safer running and cycling while on the road or trail.
• Sweat proof and water resistant.