time:
2019
-
08
-
01
TWS Bluetooth Earphone Y20 Wireless Bluetooth earphones with Charging Box Bluetooth versionV5.0Power Input3.2V-4.2VOutput30mWPower74mWEarphone battery40mAh per single,add protection boardCharging box battery400mAh,add protection boardCharging powerearphone 5V/1mA, charging box 5V/1mATransmission distance10mFrequency2.4GHz-2.48GHzcalling time5hoursMusic time5hoursStandby timearound 130hours