BT 5.0 technology ensures higher data transfer speed, more stable and fast connection, and lower power consumption | True wireless dual-ear design, left and right earphone channels are separated. It can be used solely or in pairs | Touch control design, no more pressure on your ears. Easy to control music and calls, and activate voice assistant | Built-in Mic on both earbuds with intelligent noise reduction delivers clearer talking sound in stereo mode | 300mAh charging case can charge and store the earbuds and 40mAh battery in each earbud ensures about 3 hours of music time