Jabra SPORT Bluetooth Stereo Headset - Black/Yellow (Discontinued by Manufacturer) Secure & Comfortable Fit During Workouts Us Military Standard Rain, Shock & Dust Protection Powerful Bass Sound Built-In Fm Radio Bluetooth headphones with secure and comfortable fit during workouts; protection from rain, dust, and shock Enjoy wireless music and calls; also includes integrated FM radio AM3D Power Bass for an enhanced music experience 3 pairs of Ultimate Comfort Eargels for optimal fit; free multi-platform Endomondo workout tracking app Up to 4.5 hours of talk time and 4 days of standby time