Top-selling wireless sport headphones formerly known as Aeropex now come with new packaging, a quick-charge feature, and a new name. OpenRun is our lightest headphones to date and are engineered with outstanding sound, a long-lasting battery, and Quick Charge to keep you aware and motivated while you power through any workout. 8th Generation Bone Conduction Technology8th Generation Bone Conduction Technology IP67 Waterproof (Not for swimming) Lightweight + ComfortableLightweight + Comfortable 8-Hour Battery Life + Quick Charge Open-Ear Comfort Our open-ear design, powered by bone conduction technology, allows for total awareness of surroundings and bud-free, comfortable listening. Available in 2 sizes to maximize comfort and ensure a secure fit. OpenRun Mini has a 0.83 inch shorter band size. IP67 Waterproof An IP67 rating makes these completely sweat and waterproof to welcome intense workouts and extreme weather. A moisture detection alert ensures safe charging. Not intended for swimming. Outstanding Sound Quality Powered by patented 8th generation bone conduction, Bluetooth 5.1, and PremiumPitch™ 2.0+, OpenRun delivers clear sound, powerful volume, and a rich bass. Lightweight Secure Fit Meet your new favorite training partner. Designed for athletes, our wireless headphones stay put for all-day listening while keeping you motivated and aware of your surroundings. 8-Hour Battery Life Quick Charge With 8 hours of battery life and easy commands such as play, skip, pause, and back-a-track, you can enjoy music, calls, audiobooks, and podcasts all day long. OpenRun also features a 10-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. SPECIFICATION Back-a-track Yes Battery life 8 hours Battery type Lithium Polymer Charge time 1.5 Hours Charger Magnetic Induction Cable Command controls Yes Compatible codecs SBC Compatible profiles A2DP, AVRCP, HSP, HFP Frequency response 20Hz~20KHz Microphone Dual Noise-Canceling Mic Microphone sensitivity -38dB ± 3dB Moisture detector Yes Multipoint pairing Yes Sensitivity 105 ± 3dB Standby time Up to 10 Days Titanium band Full-Wraparound Titanium frame Full-Wraparound Type Bluetooth 5.1 Warranty 2 Years Water resistance IP67 (Waterproof) Weight 26 g Wireless range 33 feet What's In The Box : - OpenRun Headphones - Carrying Bag - Magnetic Charging Cable