HIDIZS showcases new products using dual ES9219C small tail: HIDIZS XO, in addition there is also a circle of four iron 5 units of the flagship MS5 earbuds.
NF Audio brings two series of high value products, NA and NM, with good sound, and the NE4 evolution, a high-end model with changeable panel tuning, and the RA10, an entry-level model released last year.