The OpenRun Pro 2 are Shokz's newest open-ear earphones. They're designed to take audio to the next level. This advanced headset uses bone and air conduction to achieve a perfect audio experience, all while you can still hear your environment. All in all, this Shokz Openrun Pro 2 is your perfect training buddy! Everything for an optimal audio experience The Shokz Openrun 2 is equipped with various techniques to allow your music to reach its full potential. The Dual Pitch double speaker clearly conveys both the bass and the notes. With this technology, medium and high notes are conveyed using Bone Conduction, while bass sound is produced using air conduction. This results in a clear, powerful sound and an immersive listening experience. Stay connected while you're listening Be present in your environment while immersing yourself in training and music for hours with the OpenRun Pro 2, thanks to Shokz's characteristic open ear design. You'll still be able to hear your environment while listening to music, because there's nothing covering your ears. That means you can stay alert while exercising, and stay aware of traffic around you. You'll almost forget you're wearing headphones thanks to their lightweight, comfortable design, meaning you can comfortably wear the OpenRun Pro 2 for hours. Long battery life The OpenRun Pro 2 is equipped with a powerful battery and efficient technology. That means your battery will last for up to 12 hours. You can fully charge it in an hour with a USB-C charger. Is your battery nearly empty right as you want to head out? The OpenRun Pro 2 has a Quick Charge function. Charge it for only five minutes for 2.5 hours of battery life. You'll always be able to rely on these headphones!