HUAWEI FreeBuds SE 4 ANC Wireless Earbuds, 50dB Active Noise Cancellation, 50-Hour Call Time, Bluetooth 5.4, Compatible with iOS and Android, IP54

[50dB Active Noise Cancellation (ANC)]: 24dB average full-range depth noise canceling blocks out external noise, even in noisy environments, for an immersive experience like being in a quiet room. [High-Quality Sound: Balanced Sound Quality and Clear Vocal Reproduction]: The combination of a 10mm dynamic driver and a polymer composite diaphragm delivers balanced sound quality and clear vocals across the entire frequency range. The dedicated app's custom equalizer allows you to adjust the frequency range from low to high in 10 bands, allowing you to create and play your preferred listening style. [Fast Charging, Long Life]: The earphones themselves offer approximately 10 hours of playback time, and with the charging case, approximately 50 hours. The earphones support fast charging, allowing you to enjoy approximately 4 hours of playback with just a 10-minute charge, so you can rest assured even when the earphones suddenly cut out. [Stable Connection with Bluetooth 5.4]: The earphones feature Bluetooth 5.4 technology, ensuring less interruptions and reducing audio and video delays with the app's low-latency mode. [IP54 level waterproof and dustproof]: The earphones themselves are IP54 level waterproof and dustproof, so you can use them with confidence even in sudden weather changes or when playing sports.