Support pop over function, real power of headset;There is no primary and secondary ear. Both ears are connected to the mobile phone at the same time.Support apple Android renaming function;Headset positioning is supported.Bluetooth: 5.0  Distance Range: 10 mCharging Box Battery: 220 mAhCharging Voltage: DC 5VCharging Time: 2 hoursTalk Time About: 3 hoursStandby Time: 150 hoursEarpiece Battery: 35 mAh