Bone Conduction Wireless Earphones Brand New, Unused 8-hour battery life and water-resistant. - Battery Life: 8 hours - Weight: 20g - Water Resistance: Water-resistant - Charging Time: 1.5 hours These Bluetooth earphones weigh only 20g, and the feeling of wearing these wireless earphones is so light, you'll forget they're there. Soft materials are used, providing a gentle fit on the head. The ear-hook style minimizes ear strain while providing a secure fit. This unique design combines fashion and functionality, allowing you to enjoy music and use them as a stylish accessory. They are comfortable to wear for extended periods. Compatible with Bluetooth 5.3 and AAC/SBC codecs, allowing you to enjoy high-quality sound on various devices such as iPhones and Android phones. Low latency allows for instant connection and use within a 10-meter range. Open-ear earphones do not have the feeling of blockage that ordinary Bluetooth earphones have. They do not block the ears, reducing strain and providing comfortable use. There is no vibration or pressure like bone conduction earphones, freeing you from vibration and pressure. These Bluetooth earphones employ ENC (Environmental Noise Cancellation) technology. This technology effectively suppresses ambient noise during calls, providing clear, high-quality audio. Your voice will be clearly transmitted to the other party, especially in noisy environments or windy places. These open-ear earphones employ innovative sound leakage suppression technology, significantly preventing sound from leaking to the surroundings.