A:Answer Yes, you can use only one side by putting the other side into thecharging case, please note when you first pair them, the most important step is to click "pair" when a screen with "Bluetooth Pairing Request" is popping out, after this, you can use only one side by putting the other side into the charging case. Please also note due to the chips platform's compatibility, in the bluetooth pairing list the Soundbuds Liberty Air 2 is displayed as "connected", and the Liberty Air 2-L is displayed as "not connected". In fact, the earbuds are normally TWS paired to work.