Bone conduction technology: Our bone conduction headphones convert sound into mechanical vibrations of different frequencies and transmit the sound to the auditory nerve through the cheekbones rather than the air, ensuring that your ears remain completely open to the sounds around you. Designed for long-term wear and health: The titanium neckband is lightweight and flexible, ensuring maximum comfort during extended wear. At the same time, the open-ear design helps you to achieve a truly painless and harmless fit, as the headphones are not tucked into the ear canal. It also keeps the inside of the ear canal clean and hygienic. Combined with a long battery life, these ergonomically designed headphones allow you to enjoy 11 hours of continuous music and calls at a time. Premium sound quality: The latest QCC chipset delivers a faster, more stable connection and combined with our latest innovations, these bone conduction headphones can greatly reduce natural sound leakage and provide you with premium sound quality. Built-in CVC 8.0 microphone for clearer phone calls Superb durability: our headphones resist sweat, moisture, drips and dust throughout indoor or outdoor activities. The sturdy workout frame and high quality materials ensure these headsets can withstand most strenuous activities such as running, cycling, hiking and more.