⚠️SWIMMING: MP3 MODE ONLY, Bone Conduction Open Ear Headphones: Different with traditional design, our open ear bluetooth headphones won’t cover your ears very tight so can wear long time and still feel comfortable. The swimming earphones also ensure your safety while swimming, snorkeling, biking, hiking, and other outdoor activities. ⚠️Note: Bluetooth mode is not supported underwater, ***Swimming requires MP3 mode-*** Dry mic after swim for clear calls***IP68 Waterproof Swimming Headphones - Designed specifically for swimmers, these lightweight headphones feature an IP68 waterproof rating that protects against water immersion, sweat, rain and dust, making them perfect for swimming (with caps/goggles), snorkeling, boating. The nano-coated sealed design ensures internal protection while maintaining comfort. ⚠️Note: Bluetooth signals cannot be transmitted underwater, please switch to MP3 mode MP3 and Bluetooth Dual Mode: These versatile underwater headphones feature both Bluetooth connectivity and built-in 32GB memory (stores approximately 5,000-8,000 songs), Enjoy your music offline in various scenarios without needing your phone in MP3 mode. Double-click the multi-function button to switch between Bluetooth mode and MP3 mode. ⚠️Note: Make sure the downloaded songs are in supported formats (MP3, WAV, WMA, FLAC) Bluetooth 5.4 & Magnetic Charging: Bone Conduction Headphones featuring the latest Bluetooth 5.4 technology, which deliver superior connection stability, strong interference resistance, and reliable performance up to 10 meters (33 feet). Enjoy seamless music streaming, audiobook playback, and hands-free calling across iOS and Android devices. The included magnetic charging cable enables convenient computer access to internal storage for easy playlist updates Lightweight & Comfortable: The Bluetoth headphones are made with premium liquid silicone material, for a skin-friendly, waterproof (IPX8) seal that comfortably conforms to your ears, resists pool/saltwater damage, and stays securely in place during swimming, diving, or intense workouts—all with zero pressure points. It's lightweight and convenient to wear all day without feeling heavy. Let you enjoy all day.⚠️Note: Post-swim: Dry microphone to prevent call issues Soft/Skin Comfortable Liquid Silicone Swimming Headphones