Triple driver (11mm titanium dynamic + dual 6.7mm piezoelectric ceramic), ANC up to 55dB with 20 levels, LHDC 5.0 + Xiaomi MIHC codec (Hi-Res Wireless certified), 8.5 hrs playback / 35 hrs with case, 5-min fast charge = 2 hrs playback, Bluetooth 5.4 with dual-device connection + audio sharing, IP54 rated, colors