JBL Endurance Race True Wireless in Ear Earbuds, Active Sports Earbuds with Mic, 30Hrs Playtime, IP67 Water & Dustproof, Secure fit with Enhancer & Twistlock Design for Running & Workouts REFURBISHED Provides professional work out data

Provides professional work out data including VO2 Max

whatever the situation may be

If you need a quick power-up

distributing weight to reduce on-head pressure

Magnetic earbuds that allow for easy cable management when not in use

JBL Endurance Race True Wireless in Ear Earbuds, Active Sports Earbuds with Mic, 30Hrs Playtime, IP67 Water & Dustproof, Secure fit with Enhancer & Twistlock Design for Running & Workouts REFURBISHED Provides professional work out dataFeatures JBL PURE BASS SOUND: Immerse into the world of music with bold and rich bass boosted by a 6mm dynamic driver and count the beat with all new JBL Endurance Race. UPTO 30 HOURS of PLAYTIME: With a massive 10 hours of battery life from the earbuds and 20 hours within the case, keep yourself surrounded in the world of music. IP67 WATERPROOF AND DUSTPROOF: The rugged IP67 certified dust and waterproof design of the JBL Endurance Race TWS earbuds