Open-Ear Comfort Premium Sound Quality with Enhanced Bass 9th Generation Bone Conduction Technology (Shokz TurboPitchTechnology) 10 Hours of Music & Calls + Quick Charge IP55 Water-Resistant Open-Ear ComfortFeaturing a 20% smaller size than previous models for your best fit yet while still featuring our signature open-ear design and delivering all-day comfort. Crush your training goals and stay aware of traffic, pedestrians, cyclists, and more with OpenRun Pro.Enjoy Enhanced BassWith Incredible DepthExperience best-in-class audio delivered through your cheekbone, powered by 9th generation bone conduction technology, Shokz TurboPitchTechnology. Two added bass enhancers allow you to experience every note, beat and chorus of your favorite audio, resulting in premium sound quality.10-Hour Battery LifeQuick Charge10 hours of music and calls to keep you powered up through two-a-days or long training sessions. OpenRun Pro also features a 5-minute Quick Charge for up to 1.5 hours of batter