Dual-amplifier coaxial triple drivers for precise sound:Xiaomi's first-ever earbud dual-amplifier feature independently drives the high and low-frequency units, effectively reducing interference to enhance sound detail and clarity With support for 48kHz 24bit lossless audio, the transmission rate can reach up to 2.1Mbps, delivering high resolution music, vivid and detailed Up to 55dB active noise cancellation with multi-level adjustments:The earbuds feature up to 55dB of active noise reduction technology, effectively minimising background noise for a quieter listening experience. With a high 5kHz bandwidth, more everyday noise reduction scenarios are covered, for a quieter and more immersive listening experience Harman AudioEFX tuning with two dedicated EQ profiles:Master tuning by the Harman Golden Ear Team delivers deeper bass and more pleasing music, resulting in truly high-quality sound. With 6 preset EQ settings, including two dedicated profiles, you can match the sound to meet your needs, for a professional, tailored audio experience Quick gesture control for recording, AI transcription and translation:The earbuds can record for up to 4 hours whether they are in your ears or in the case, making them a convenient portable microphone. You can start recording by triple-clicking the button on the case, or you can quickly record using the earbuds.You can use AI translation and transcription as a professional business assistant on demand.