Material: PlasticCategory: Earphones & HeadphonesDriver Diameter: 40mmImpedance Range: up to 32 ΩResistance: 32ΩLine Length: 1.2mFrequency Response Range: -HzSensitivity: 42dBPlug Type: Line TypeFunction: For Internet Bar,for Video Game,Common Headphone,For Mobile Phone,SportActive Noise-Cancellation: NoVolume Control: YesControl Button: YesVocalism Principle: DynamicConnectors: 3.5mmCommunication: WIREDStyle: In-earCertification: NONEOrigin: Mainland ChinaBrand Name: REAZOBI