SENNHEISER ELECTRONICEnjoy outstanding audio during outdoor sports. Ultra-lightweight neckband provides a secure, comfortable fit, even during the most intense activity Vertical in-ear design allows for greater situationa ... morel awareness and safety when training outdoors Sweat- and water-resistant for maximum ruggedness and durability Inline smart remote and mic on the cable are compatible with most iOS devices SteriTouch antimicrobial ear adapters Para-aramid-reinforced, oval-shaped cable provides superior strength and reliability while resisting tangles Includes convenient storage pouch and cable clip Specs: Frequency response: 18Hz-20kHz Sound Pressure Level (SPL) : 120dB @ 1kHz/1 mW Intense sound for intense activity. Want to enjoy outstanding stereo sound during outdoor sports like training for your big race or bike ride? Then Sennheiser PMX 686i Sports Earphones are for you! These earphones remain securely in place, whether you're running uphill or sprinting to the finish. And thanks to their innovative in-ear design, you'll still be able to hear what's going on around you even while you're listening to your favorite tunes. Built to handle any workout. The PMX 686i Sports neckband is lightweight and unobtrusive, so you can comfortably wear it with a bike helmet. It will also stay secure when you take your training off road through more rugged terrain. These incredible earphones are sweat- and water-resistant, too...so you can train hard without worry and rinse the headset off under running water after your workout to wash away any dirt and perspiration. Conquer your next workout with Sennheiser! Order your PMX 686i Sports Earphones from Brookstone today!