Material:PlasticWeight[g]:50 [mah]:300-3000 Life Up To[hours]:4-6Voice Assistant Built-in:YesMaximum Wireless Range[m]:10m-20mNfc Technology:NoSound Isolating:YesCategory:Earphones & HeadphonesEarcups Type:SealedMax Output:80mwNumber Of Drivers:2Charging Method:Charging CaseHeadphone Pads Material:SiliconeMagnet Type:FerriteDriver Diameter:13mmTotal Harmonic Distortion:1%Impedance Range:Up To 32 惟Bluetooth Version:5.0Package List:User Manual,charging Case,charging CableFeatures:Waterproof,with MicrophoneCodecs:NoneWith Microphone:YesIs Wireless:YesSupport App:YesSupport Memory :NoWaterproof:YesResistance:12蠅Line Length:0mFrequency Response Range:20 - 20000hzSensitivity:125dbPlug Type:NoneFunction:For Video Game,common Headphone,for Mobile Phone,hifi Headphone,sport,for Outdoor,for Swimming,for ,for StudyActive Noise-cancellation:NoVolume Control:YesControl Button:YesVocalism Principle:DynamicWireless Type:BluetoothConnectors:UsbCommunication:WirelessStyle:In-earCertification:Ce,fccOrigin:Mainland Model:Xt90 Lp40:Wireless HeadsetBluetooth Earphone:Bluetooth HeadsetWireless Headphones:Wireless Earbuds