New, Unused Instant purchase ○ 【IP68 Fully Waterproof & Underwater Compatible】 The latest 2025 model bone conduction headphones. Compliant with IP68 standards, fully waterproof up to 2 meters deep. Perfect for water activities such as swimming in the pool, surfing, and SUP. Also resistant to sweat, so you can use them with peace of mind during running and everyday use. 【Comfortable Open-Ear Design】 Designed not to block the ears, with an ultra-compact body weighing only 28g. Even with long hours of use, your ears won't hurt, and it achieves a fit that won't slip underwater. You can also hear the surrounding sounds, making it safe to use while running or cycling. 【Bluetooth 5.3 & MP3 Mode Equipped】 Not only Bluetooth connection, but also one-touch switching to MP3 mode. Equipped with a large 32GB memory, you can store up to 8000 songs. You can enjoy music without having your smartphone, making it ideal for swimming and running. 【Up to 12 Hours of Continuous Playback & Quick Charging】 Equipped with a large 250mAh battery. Can be used for up to 12 hours on a full charge. Quick charging for 10 minutes allows for about 1.5 hours of playback, so you can rest assured even when you're on the go. 【Multi-Point Connection & Easy Operation】 Can connect to multiple devices simultaneously. You can seamlessly switch between your smartphone and PC. Equipped with physical buttons for power, volume, song control, and calls, allowing for intuitive and comfortable operation. With its high waterproof performance and lightweight design, these are versatile bone conduction headphones that can be used comfortably both underwater and on land. Recommended for sports, commuting to school or work, and working from home.