Open-ear headphones with bone conduction technology helps you stay completely aware of your surrounding Wireless design is powered by Bluetooth 5.1 technology for efficient wireless connectivity PremiumPitch 2.0+ delivers enhanced audio quality Built-in microphone enhances the functionality these headphones IP67 rating ensures superior sweat and waterproof performance, making these headphones ideal for intense workouts and severe weather conditions Lightweight, athletic-friendly design ensures these headphones remain securely in place Battery life up to eight hours makes you least worried about recharging and related hassles Ten-minute Quick Charge feature offers up to 1.5 hours of use Includes USB-C charging cable for added convenience