BT 5.0 technology ensures higher data transfer speed, more stable and fast connection, and lower power consumptionTrue wireless dual-ear design, left and right earphone channels are separated. It can be used solely or in pairsTouch control design, no more pressure on your ears. Easy to control music and calls, and activate voice assistantBuilt-in Mic on both earbuds with intelligent noise reduction delivers clearer talking sound in stereo mode300mAh charging case can charge and store the earbuds and 40mAh battery in each earbud ensures about 3 hours of music time