Additional Information  Open-ear comfort - Featuring a compact size for your best fit yet while still featuring Shokz' signature open-ear design and delivering all-day comfort. Powered by Shokz TurboPitch technology - Two units of CoreCushion (bass enhancers) are located inside the transducers, ensuring you experience every note, beat, and chorus of your favorite audio, resulting in premium sound quality. Enhanced bass - OpenRun Pro are engineered with PremiumPitch 2.0 technology to provide crisp and clear midrange to high-frequency sounds, as well as new Shokz TurboPitch technology to deliver bass with incredible depth. 10-hours of music and calls - OpenRun Pro features 10 hours of battery life to keep you powered up through two-a-days or long training sessions. Lightweight and secure fit- A wraparound titanium frame ensures a lightweight (29g), comfortable fit, and keeps your headphone securely in place, no matter how intense your workout. IP55 water resistant - OpenRun Pro are IP55 certified making them durable enough to withstand sweaty, dusty, and rainy conditions. Dual noise-canceling mic - Take a call no matter where you're working out. OpenRun Pro is equipped with a dual noise-canceling microphone for crystal-clear calls on both ends. Quick charge - Feel like a short run? A 5-minute quick charge gives you 1.5 hours of listening time so you can get on-the-go when the motivation hits. Shokz app - A brand-new Shokz App now available in the GooglePlay and Apple App Stores. Customization You can also customize your listening experience with the choice of two EQ settings (Standard or Vocal Booster).