【Bluetooth 5.4 Instant Connection & Auto Pairing】These Bluetooth earphones adopt the latest Bluetooth 5.4 technology, providing fast and stable transmission within a range of 10 meters. Compared to Bluetooth 5.3, the latency is reduced by 50% and the connection signal is strengthened by 75%. With the "Auto Pairing Function," simply take the wireless earphones out of the charging case, and they will automatically connect to the device you last connected to. These open-ear earphones seamlessly connect to iOS and Android smartphones, tablets, and laptops. 【Hi-Fi Sound Quality & HD Noise Cancelling Calls】These noise-canceling earphones are equipped with a 14.2mm large-diameter driver, enhancing the bass by over 75%. They provide a high-quality audio experience with powerful bass and clear highs. The Bluetooth earphones have a built-in high-performance ENC noise-canceling microphone. They reduce environmental noise by 80%, suppressing background noise even in busy environments like commutes and meetings, enabling clear calls. 【50-Hour Ultra-Long Battery Life & LED Display】These wireless earphones are equipped with a large-capacity charging case and support Type-C charging, with a charging time of only 1.5 hours. A single charge allows for up to 10 hours of continuous music playback, and with the charging case, you can enjoy 50 hours of playback. They are ideal for a wide range of situations, such as remote work, online meetings, gaming, and exercise. The Bluetooth earphones feature an LED battery level display, allowing you to check the charging status at a glance with a 4-stage LED indicator. 【Fit & Lightweight Design】These open-ear headphones adopt an ergonomic ear hook design. The flexible and bendable ear hooks allow users to adjust the fit to their ear shape. Even during intense exercise like running, the earphones stay securely in your ears, eliminating the worry of them falling out. Each ear unit weighs only 6 grams. The use of ultra-soft silicone material ensures a skin-friendly and natural fit. They provide comfortable wear even for extended periods. 【IPX7 Waterproof & Smart Touch】Designed for sports enthusiasts, these Bluetooth earphones have IPX7 waterproof functionality, making them resistant to sweat, splashes, and rain.