9mm Drivers for Balanced Audio DSEE Helps Optimize Compressed Audio Flexible & Convenient Neckband Wire Built-In Mic for Hands-Free Calls Splash- & Sweat-Proof Construction 1-Button Access to Apple’s Siri Up to 25 Hours of Battery Life Up to 1 Hour on 10-Minute Quick Charge Google Fast Pair & Microsoft Swift Pair Integrated Playback Buttons