【Open-Back Bone Conduction Earphones】 bone conduction earphones, using the latest bone conduction technology, immerse yourself in a premium audio experience. These open-back earphones allow you to be aware of your surroundings and enjoy bud-free comfortable listening. Whether you are jogging or cycling, these open-back earphones keep you safe and comfortable while providing an excellent audio experience【Safe and Stable Connection】With these wireless earphones, you can still hear your surroundings and stay alert during your workout. These open-back earphones wireless Bluetooth are designed to protect your ears while providing clear audio. Equipped with an advanced Bluetooth 5.3 chip, our open-back Bluetooth earphones can connect to two devices at the same time, allowing you to enjoy stable and faster transmission speeds【IP67 Waterproof Running Earphones】Our fitness earphones are IP67 certified, which means they are completely waterproof, sweatproof, and rainproof. This makes them perfect for use in adverse weather conditions and high-intensity workouts. Bone conduction earphones are a perfect choice for sports enthusiasts, suitable for running, hiking, cycling, and even extreme sports. Not suitable for swimming.【Industry-leading battery life】Built-in 500mah large-capacity battery, up to 720 hours of standby time on a single charge, you can enjoy 15 hours of continuous music or calls with our bone conduction headphones. This bone conduction headset with microphone adopts a magnetic fast charging port, charging only takes 1-2 hours, you can enjoy music anytime, anywhere, it is the best bone headset for daily use or sports.【Ultimate Comfort and Lightness】The conduction headphones adopt an ultra-light (34g) titanium frame, ergonomically designed to provide maximum fit and comfort. They can bend and stretch without deformation, fit tightly, and will not slip during running or intense training. This ultra-light design Bluetooth bone conduction headset will not cause pain even if worn for a long time