About this item Sound Isolation Technology Bluetooth headphones built with advanced sound isolation technology that effectively blocks out noise, delivering an immersive sound experience. Enjoy your music with powerful bass, smooth mid-range, and clear treble. Up to 16 Hours Playtime These wireless headphones provide up to 16 hours of playtime on a full charge. With just 1.5 hours of charging, you can enjoy seamless listening for 16 hours and a standby time of 250 hours. Stereo Surrounding Sound Featuring an 11mm dynamic driver, these wireless earbuds deliver spatial sound for an immersive music experience during sports and commutes. Enjoy surround sound that goes wherever you do, complete with a built-in mic for call notifications. IPX7 Waterproof Headphones With a highly sealed shell and advanced nano-coating waterproof technology, these headphones meet the IPX7 waterproof standard. They are sweat-resistant, making them perfect for intense workouts, running, hiking, cycling, fitness,