【Bone Conduction Headphones with Breathing Light】 Krcong open ear bluetooth headphones adopt bone conduction technology which delivers premium audio through the cheekbone, allowing you to be aware of your surroundings while listening to music. Unique cool breathing light design that intelligent wake-up, safe and eye-catching, making outdoor sports safer. | 【Lightweight & Comfortable】The running headphones use a wraparound titanium frame and an ultra-lightweight design of only 29g to maximize fit and comfort, you will not feel any pain even after prolonged wearing. The high-strength memory titanium alloy frame, which can be bent and stretched at will without deformation, is flexible and durable. | 【8-Hour Battery Life】Strongly upgraded battery life, a single charge can provide up to 8 hours of continuous music and calls. These bone conduction earbuds are equipped with improved audio technology and a fully enclosed cavity to reduce natural sound leakage while providing a high-quality audio experience. | 【IPX7 Waterproof Rating】The IPX7 certified workout headphones are completely sweatproof and waterproof. This means that it can withstand harsh weather conditions and high-intensity training. The bone conduction headphones with mic are the perfect choice for sports enthusiasts, suitable for running, hiking, cycling, and even extreme sports, etc. | 【What You Get】1*Bone Conduction Headphones, 1*Magnetic Charging Cable, 2*Sponge Earplugs, 1* Manual. We care about all details, each wireless headphone is tested manually, it will become your favorite exercise partner. 90-day refund and lifetime warranty, if you have any questions, please feel free to contact us, we will reply and resolve all your questions within 12 hours.