Bone Conduction Earphones, Bluetooth 5.4, IP68 Waterproof, 32GB Built-in Memory (up To 8000 Songs), Fast Charging, Open-ear Design, Ultra-lightweight,

【IP68 Waterproof & 32GB Built-in Memory】2025 Industry New Bone Conduction Earphones Designed for Swimming: With an IP68 waterproof design, they can withstand complete submersion up to 2 meters deep. Complete waterproofing and water resistance allow you to enjoy music while swimming, bathing, or surfing. They can be used with swimming caps, goggles, and earplugs. Equipped with 32GB of MP3 storage, there's enough storage (up to 8000 songs) to store all your favorite music.

【Open-Ear & Comfortable Fit】Open-ear design for ultimate comfort. Ultra-lightweight and open-ear, you can clearly hear both the sounds you want to hear and the sounds around you. You won't feel discomfort even after wearing them for extended periods. You might even forget you're wearing them. Enjoy your own soundtrack comfortably all day long while being aware of the world around you.

【Maintain Awareness and Safety】Even while immersed in your playlist, you can stay aware of your surroundings, ensuring safety during your commute. Increase your awareness of pedestrians and vehicles, ensuring your safety. You can even interact with colleagues while listening to your favorite music in the office. Even when working remotely or concentrating on a video at home, you can hear the voices of family and friends and be aware of visitors.

【Bluetooth 5.4 & Long Battery Life】Bluetooth 5.4 provides a 10m range for wireless communication, ensuring a stable connection immediately. A single full charge allows for up to approximately 8 hours of continuous playback. You won't have to worry about battery life even during long swimming, running, or video conferences. It can be freely used in a variety of environments, from underwater to land-based activities.

【Package & Long-Term Product Warranty】Included items: Kotsudendo earphones *1, magnetic charging cable *1, Japanese instruction manual *1. We offer a one-month warranty against manufacturing defects from the date of purchase for all customers who purchase these earphones. (※Amazon homepage > Order History > Contact Seller) If you have any product issues or questions, please contact us, and we will respond to inquiries, exchanges, refunds, or returns.