Latest Bone Conduction TechnologyUnlike traditional wireless earbuds, bone conduction earphones use advanced bone conduction technology to transmit audio through the cheekbones. Helps relieve the burden of swelling in your ears so you feel comfortable and around you while listening. 12 HOURS BATTERY LIFE AND BLUETOOTH 5.2Vastly improved battery life, providing up to 12 hours of continuous music and calls on a single charge. It adopts the latest Bluetooth 5.2 technology and is compatible with most Bluetooth devices. Faster connections, more stable conditions, and no cable limitations. The maximum connection distance is up to 10m (390 inches), which is convenient for your daily use. IP68 WaterproofCompletely sweatproof and waterproof earphones for running, fitness and workout. The entire headset is washable, supports swimming, sweat-proof and waterproof, and adapts to all kinds of bad weather. Please use MP3 mode when swimming, Bluetooth mode cannot transmit signals underwater. Open-Ear DesignNo need to put the earphones into the ear canal. Therefore, even listening to music all day, the ear will not hurt. Wear headphones for a long time to avoid damage to the ear canal. It is the best choice for music lovers. Lightweight and ComfortableWith a wraparound titanium frame and ultra-light design, these sports earphones weigh only 29 grams, making them painless to wear for long periods of time while maximizing fit and comfort. The high-strength memory titanium alloy frame can be bent and stretched at will without deformation, flexible and durable.