Open-Ear Comfort Featuring 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 Bass With Incredible Depth Experience best-in-class audio delivered through your cheekbone, powered by 9th generation bone conduction technology, Shokz TurboPitch™ Technology. 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 Life Quick Charge 10 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 battery life. This data is gathered at the Shokz laboratory and is tested by playing ACC encoded audio at 75% volume on iOS14 mobile devices. The actual battery life will be affected by the type of audio, volume, temperature of your environment, and output of the USB port used to charge your headphones. IP55 Water-Resistant An IP55 rating that weathers dust and moisture, so they are durable enough to withstand rainy runs, sweaty rides, or other gritty conditions. Dual Noise-Canceling Microphone Take a call no matter where you’re working out. OpenRun Pro are equipped with a dual noise-canceling microphone for crystal-clear calls on both ends.