ANC & ENC Noise Canceling: Our in-ear Bluetooth earphones adopt advanced ANC technology. By emitting sound waves of opposite phase, they can reduce ambient noise by 45dB, allowing you to comfortably use them even in noisy environments such as trains and buses. Furthermore, the upgraded ENC technology provides clear call quality. Bluetooth 5.4 & Transparency Mode: These wireless earphones are equipped with advanced Bluetooth 5.4 technology. Compared to Bluetooth 5.3, Bluetooth 5.4 significantly improves speed, efficiency, stability, and sound quality. In addition, they also feature a transparency mode, making it easier to hear surrounding sounds while listening to calls or music while driving, ensuring safety. Heavy Bass Stereo and 5 Equalizer Modes: Equipped with a 14.2mm bio-carbon fiber dynamic coil, they reproduce powerful low frequencies (down to 50Hz) and unique mid-high frequencies (up to 5kHz), achieving powerful heavy bass stereo sound. Furthermore, the wireless Bluetooth earphones are equipped with 5 adjustable equalizer modes (Standard, Classic, Jazz, Rock, Pop), allowing you to easily switch between different music styles and enjoy the best listening experience. 48 Hours of Playback: These Bluetooth earphones can be used for 6-8 hours on a single charge, and can be extended to 48 hours with the charging case. Multi-functional Smart Touch Screen: These touch screen earphones are equipped with a color touch display. From the earphones themselves or the charging case, you can perform various operations such as playing music, switching tracks, answering and ending calls, and enabling noise canceling mode. In addition, the touch screen also features functions such as volume adjustment, camera operation, 7-language switching, wallpaper switching, screen brightness adjustment, earphone search, flashlight, and timer. Excellent Compatibility: Our wireless earphones have excellent compatibility and can seamlessly pair with almost all Bluetooth-enabled devices, including smartphones, tablets, and laptops. Whether it's iOS or Android, you can enjoy a smooth connection.