BQEYZ Summer Plug:2.5mm and stands as the pinnacle

and stands as the pinnacle of Fearless’ work

clear and powerful output with low output impedance^ while being very power efficient

and richness across the whole spectrum

UP5 supports most of the advanced high-resolution wireless codecs including LDAC

and fine tuned these elements to create a uniquely immersive and integrative sound

BQEYZ Summer Plug:2.5mm and stands as the pinnacleCoaxial 13mm Dynamic Driver With PU+LCP Diaphragm BQEYZ Summer features lightweight diaphragm for instantaneous response speed, which is composed of PU+LCP. The soft PU makes the diaphragm have a flexible low frequency. LCP has the characteristics of thin, hard, light and high sensitivity. 5 Layer Piezoelectric Unit The Summer IEM adopts the piezoelectric effect on the high frequency, which brings extreme high frequency overtones. Matching the 2nd