OpenRun (Quick charge version of Aeropex): Aeropex are the top selling model of Shokz. Now they have been updated with a quick-charge feature and re-named as OpenRun. A 10-minute quick charge gives you 1.5 hours of listening time so you can get on-the-go fast! Features: • Quick-Charge: A 10-minute quick charge guarantees 1.5hrs of listening time. OpenRun is always the best running partner ready to fuel up your exercise. • Only 26g open-ear comfort: With the buds-free listening experience, soft-touch silicone coating and ultra-lightweight design, OpenRun (Quick charge version of Aeropex) brings you all-day comfort no matter what challenges you take on. • Open-ear listening, stay aware and safe: Be open to the world around you. Open-ear design allows you to hear music and traffic at the same time. Whether you are running on the streets or biking in the mountains, OpenRun (Quick charge version of Aeropex) brings a high-quality hearing experience without compromising on safety. • Full titanium fit stability for sports: Wraparound titanium frame ensures a secure fit that will stay in place during any workout or adventure. Move with freedom and confidence, even during dynamic workouts such as jumping or yoga inversions. • Cutting-edge crystal-clear audio experience: Re-engineered technology PremiumPitch 2.0 delivers the widest dynamic stereo sound that bone conduction technology can offer. Say hello to deeper bass, less vibration and louder volume. • IP67 Water-resistant standard unrivalled as you are: IP67 water-resistant standard keeps your headphones safe from splashes, sweat, and even getting caught in the rain. (Not for swimming) • 8-Hours Non-stop listening. Power on and On: Power up to 8hrs of music and calls. With OpenRun (quick charge version of Aeropex), you can blaze through your long day. • Seamless Connection, Amazing Call Quality: Equipped with a Qualcomm BluetoothⓇ 5.1 chip, dual-mics and CVC algorithm to sharply separate your voice from background noise, you can experience clear and stable calls on the move.