Material:AbsWeight[g]:40 [mah]:200-500 Life Up To[hours]:3-5Voice Assistant Built-in:NoMaximum Wireless Range[m]:10m-20mNfc Technology:NoSound Isolating:YesCategory:Earphones & HeadphonesEarcups Type:Semi-openMax Output:100mwNumber Of Drivers:2Charging Method:Charging CaseHeadphone Pads Material:SiliconeMagnet Type:FerriteDriver Diameter:10mmTotal 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:100dbPlug Type:NoneFunction:For Video Game,common Headphone,for Mobile Phone,hifi Headphone,sport,for Outdoor,for ,for StudyActive Noise-cancellation:NoVolume Control:YesControl Button:NoVocalism Principle:DynamicWireless Type:BluetoothConnectors:UsbCommunication:True WirelessStyle:In-earCertification:Ce,fcc,rohs,ulOrigin:Mainland Wireless Earphones:Wireless EarbudsBluetooth Headphones:Bluetooth EarbudsWireless Headset:Wireless Headphones