- noise isolating
Secure-fit, sweat-proof premium sport buds delivering superior audio performance (music and calls) in a sleek helmet compatible metal accented design. With 8 hours of play time you get a full week of workouts on a single charge. A 15 min quick charge gets you a full hour of play time. Customize your sound with the Jaybird MySound App and save your unique sound profile to your X3 buds.