Seamlessly switch between the main and auxiliary Ear bud with the most advanced Bluetooth 5.0 technology. And the wireless ear buds have smart touch function. You can use real bluetooth earphones to achieve turn On/Off, play the next/previous song, answer/reject calls, activate Siri and other functions, making your life more convenient. 400mAh battery capacity charging box, 2x4 times extra charging time, It will turn off once earbuds fully charged. The wireless earbuds provide up to 30 hours of playtime with a charging case and 5 hours of playtime on a single charge of the pod.