Elevate Your Audio: 8mm drivers fed via Bluetooth 4.1 pump out rich, skip-free audio. Complete Comfort: Lightweight neckband and compact, multi-size accessories are designed to provide lasting comfort and hold. Earbuds magnetically clip together for easy, tangle-free use. Superior Playtime: Listen to audio for up to 10 hours, or talk for 12 from a single charge. In a rush? Add up to an hour of music from a 10 minute charge.