BlitzWolf® AIRAUX AA-UM4X bluetooth V5.0 Half In-ear TWS Earbuds HiFi Stereo Touch Control Earphone Waterproof Headset w

SpecificationsBrandAirAuxModelAA UM4XColorBlackbluetoothV5 0Transmission Range≦10mWaterproofIPX5Charging Time1 5hours Earbuds 2hours Charging Case Working Time2hoursCall TimeAbout 2hoursStandby TimeAbout 300hoursBatteryEarphone 30mAhCharging Case 320mAhSensitivity96±3dBSizeCharging Case 54 6mm 43 1mm 26 8mmEarbud 30 4 16 9 15 4mmWeightSingle Earbud Weight 3gCharging Case Weight 27gTotal Weight 33gImpedance32ΩSensitivity109±3dBFrequency Range20 20KHzCharging portType CPackage Included1 pair of AA UM4X Earphones1 Charging Cable1 Charging Case1 English User Manual