Connectors TYPE C 1.25 cm wire With volume control buttom USB Type-c interface/Moving ring+ceramic speaker double unit acoustic architecture Semi-in-ear con\mfort wear/High toughness wire+MEMS microphone remote control Digital decoder chip: highly restored,lossless transmission Dynamic unit :easily interpret mid-low frequency sound Ceramic horn:High frequency performance accurately restores the natural sound quality Half in-ear wearing structure:Tailored comfort for the ear MEMS microphone remote control:Listen to the song and master the hand Brand Xiaomi SKU 100834474_NP-1021350669