Paoduct modelBT20 ProBluetooth encodingAAC/SBCWeight8gper earpieceEffective signal range15mBluetooth formatBluetooth 5.3C harging portType-CBluetooth chipsetHigh quality Bluetooth chipBattery power capacity80mAhper earpiece)Charging case power capacity1000mAhStandby time180HPlayback timecharging case+earpieces50 hours13 hours when using both earpieces onlyCharing timemodules/charing case): 1.5 -2H/ 2.5 -3H