- X4 is fully waterproof (IPX7) and sweatproof
- Comfortable, versatile design runs over your ears for a secure, sport-specific fit or under for more relaxed situations
- Comply Ultra foam tips - interchangeable, thermo-reactive tips conform to individual ear canals
- Premium sound with custom EQ - uncompromising sound quality that's compatible with the Jaybird App to customize sound EQ and save personal settings to the buds
- Music & calls - manage calls, control and listen to music
The evolution of the do-it-all wireless headphones for the all-around runner and outdoor athlete - comfortable, rugged and fully waterproof to tackle any run, ride or trail in any condition.
Manufacturer Part# : 985-000809
Dell Part# : AA367571