Along with the new smartphones and TV, Xiaomi at the China event also introduced the Mi AirDots Pro 2 with Bluetooth 5.0 and LDHC Hi-Res audio codec, smart voice controls, dual microphones for ENC, which is environmental noise cancellation. It also has 14.2mm drivers for better audio output. It automatically connects with the phone running MIUI when you open the case and pick up the earphones.