BOSE Wireless Earphones with IPX7 17 Hours of Continuous Equipped with Neckband Type [Equipped Bluetooth5.0+EDR, Hi-Fi Waterproof, Playback, Magnet,

Bose's unique acoustic ports and premium high-efficiency drivers deliver surprisingly powerful sound from a small body. Bose's unique active equalizer automatically adjusts bass and treble to ensure your music, videos, and voices always sound balanced. Plus, the StayHear Max tips fit snugly in your ears, allowing you to hear the bass that brings impact and emotion to your music, while blocking out ambient noise so you can focus on your music and your workout.