12mm Dynamic Driver - Reliable, Incredible Sound Quality: The 12mm dynamic driver brings incredible performance. Low distortion, richer bass and clearer high tones, leading to a THD≤0.1% rating, as verified by the Xiaomi Acoustics Laboratory. Bluetooth 5.3 - Faster, Stabler: New developments in the world of Bluetooth 5.3 mean a better, faster experience. Enjoy stable audio with a lower power consumption for extended listening. Supports Google Fast Pair - Simply open the cover, and you're paired. Low latency mode - Always in sync: Backed by Bluetooth 5.3, turn on low-latency mode when playing mobile games for a next-level gaming experience. Make rapid decisions in real-time with audio that is faster than other standard headphones, for those game-winning plays. AI Noise Cancellation for Calls - Every call, every word - crystal clear: The AI voice algorithm accurately differentiates between human and ambient noise, so even in the noisiest environments, accurately picks up audio and effectively reduces ambient noise. Rest assured, every word you say will be loud and clear. Lightweight and Portable - Secure and Comfortable: With a unique, semi in-ear design, the buds are comfortable to wear, weighing in at a total weight of just 35g and also a single earbuds weight less than 3.92g.Up to 20 hours battery life with charging case - Get an immersive listening experience for longer: The earbuds can be used for up to 5 hours on a single charge, and up to 20 hours with the portable charging case, so you can enjoy great music day and night.