Product details of Awei A997BL Wireless Headphones Bluetooth Earphones Foldable Gaming Headset Sport Headphone with Mic Music Earbuds 300mAhMaterialMetal,PlasticWidth[mm]185MMDepth[mm]200MMWeight[g]300GHeight[mm]82MMBattery Capacity[mAh]300MAHBattery life up to[hours]15HVoice assistant built-innoMaximum wireless range[m]10m-20mNFC TechnologynoSound IsolatingYESCategoryEarphones & HeadphonesEarcups TypeSealedMax Output0mWNumber Of Drivers2Charging MethodCableHeadphone Pads MaterialOtherMagnet TypeFerriteDriver Diameter40mmTotal Harmonic Distortion0%Impedance Rangeup to 32 ΩBluetooth Version5.1Package ListUser Manual,Charging CableFeaturesWith Microphone,Apple Siri SupportCodecsNONEWith MicrophoneYesIs wirelessYesSupport APPNoSupport Memory CardNoWaterproofYesResistance64ΩLine Length0mFrequency Response Range20 - 20000HzSensitivity110dBPlug TypeNONEFunctionFor Internet Bar,for Video Game,HiFi Headphone,SportActive Noise-CancellationNoVolume ControlYesControl ButtonYesVocalism PrincipleDynamicWireless TypebluetoothConnectorsType cCommunicationWirelessStyleHeadphoneOriginMainland ChinaBrand NameAweiProduct NameAwei A997BL/A997 PROFeatureGaming Headsets With MicrophoneFunction 1Foldable HeadphonesFunction 2Gamming HeadphonesFunction 340MM Driver UnitsFunction 4HIFI StereoFunction 5Bluetooth HeadphoneBluetooth5.1/5.3Battery Capacity300mAhCharging time2HSpecifications of Awei A997BL Wireless Headphones Bluetooth Earphones Foldable Gaming Headset Sport Headphone with Mic Music Earbuds 300mAh