Open-Ear Comfort - OpenRuns innovative design features a featherweight, wraparound frame and wireless, open-ear fit for comfortable, earbud-free listening. Open-Ear Comfort - OpenRuns innovative design features a featherweight, wraparound frame and wireless, open-ear fit for comfortable, earbud-free listening. Open-Ear Comfort - OpenRuns innovative design features a featherweight, wraparound frame and wireless, open-ear fit for comfortable, earbud-free listening. 8 Hours of Music & Calls - Enjoy eight continuous hours of music, calls and podcasts with our Bluetooth headphones. OpenRun also features a 10-minute quick charge for up to 1.5 hours of battery life. (Quick Charge Version of Aftershokz Aeropex)