Swimming Headphones: With a professional IP68 waterproof rating, these bone conduction earbuds are built for underwater use—perfect for swimming. They’re an ideal companion for swimmers, fitness enthusiasts, cyclists, and runners. (Note: Please switch to MP3 mode while swimming, as Bluetooth mode cannot transmit signals underwater) Open Ear Headphones: Featuring innovative bone conduction technology and open ear design, these waterproof earbuds for swimming offer a comfortable, bud-free listening experience all day—whether in or out of the water. The open-ear style lets you stay aware of your surroundings, ensuring safety while you enjoy your music Dual Mode: The bone conduction headphones easily switch between Bluetooth mode and MP3 mode with a quick double-tap of the multi-function button. These waterproof headphones for swimming have built-in 32 GB storage that can carry up to 8000 songs. Enjoy your favorite music on the go, even when you leave your phone behind Premium Sound Quality: Our underwater headphones use advanced technology that enhances sound quality and minimizes natural sound leakage, helping to protect your privacy during public calls. The built-in microphone ensures crystal-clear voice transmission. Enjoy richer audio detail and superior sound performance when listening to music Bluetooth 5.4 and Lightweight: These bone headphones are equipped with the latest Bluetooth 5.4 chip, providing a fast and stable connection, easily pairing with smartphones, laptops, tablets, and more. Weighing only 29g, lightweight and comfortable. With just a 2-hour charge, enjoy a full day of music and calls, making them suit your daily needs Bone conduction headphones swimming headphones