OPEN-EAR COMFORT - The ear hooks of the CXK bone conduction earbuds are made of skin-friendly silicone material. The entire headphones weigh only 0.27 ounces, and you can wear them for a long time without feeling any pressure. This ergonomic design ensures a secure and comfortable fit, allowing you to say goodbye to ear fatigue and enjoy a comfortable listening experience throughout the day EXCEPTIONAL ANTI-SOUND-LEAKAGE TECHNOLOGY - The CXK bone conduction bluetooth headphones adopt the latest directional sound transmission technology, which accurately and efficiently delivers sound to the ears. This technology can reduce sound leakage by 97% and prevent any embarrassing sound leakage. Whether you are in a public place such as a library or a coffee shop, you can enjoy music without disturbing others POWERFUL STEREO SOUND & CLEAR CALLS - These wireless headphones feature a 13mm precision Hi-Fi driver and the"Bass Master" technology designed by CXK, providing rich and