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. Simply open the cover, and you're paired In one tap, the Redmi Buds 4 Lite enables quick, effortless Bluetooth pairing with your Android* devices. You can even check to see where you last placed it. 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.