Material:Plastic,silica Gel [mah]:300mah Life Up To[hours]:16hourVoice Assistant Built-in:YesMaximum Wireless Range[m]:10m-20mNfc Technology:NoSound Isolating:YesCategory:Earphones & HeadphonesEarcups Type:SealedCharging Method:CableHeadphone Pads Material:FabricMagnet Type:FerriteTotal Harmonic Distortion:1%Impedance Range:Up To 32 惟Bluetooth Version:5.1Package List:User Manual,3.5mm Jack Adapter,usb Type-c AdapterFeatures:With Microphone,detachable Cable,dual ConnectionCodecs:Apt-xWith Microphone:YesIs Wireless:YesSupport App:NoSupport Memory :YesWaterproof:NoResistance:32蠅Frequency Response Range:20 - 20000hzPlug Type:NoneFunction: Headphone,for Video Game,common Headphone,for Mobile Phone,hifi Headphone,sport,for Outdoor,for DjActive Noise-cancellation:NoVolume Control:YesControl Button:YesVocalism Principle:DynamicWireless Type:BluetoothConnectors:3.5mmCommunication:Wireless+wiredStyle:Over The EarCertification:CeOrigin:Mainland