Material: Metal,PlasticSound Isolating: YESCategory: Earphones & HeadphonesEarcups Type: Semi-openMax Output: 90mWNumber Of Drivers: 2Charging Method: BatteriesHeadphone Pads Material: synthetic leatherMagnet Type: FerriteDriver Diameter: 45mmTotal Harmonic Distortion: 0.1%Impedance Range: up to 32 ΩBluetooth Version: 5.0Features: waterproof,With Microphone,Detachable Cable,Active Noice CancellingCodecs: AAC,sbcWith Microphone: YesIs wireless: YesSupport APP: YesSupport Memory Card: NoWaterproof: NoLine Length: 1mFrequency Response Range: 20 - 20000HzSensitivity: 115dBPlug Type: Line TypeFunction: for Video Game,For Mobile Phone,HiFi Headphone,Sport,For Outdoor,For Office,For Sleep,For StudyActive Noise-Cancellation: YesVolume Control: YesControl Button: YesVocalism Principle: DynamicWireless Type: bluetoothConnectors: 3.5mmCommunication: Wireless+WiredStyle: HeadphoneCertification: CEOrigin: Mainland ChinaBrand Name: cowin Cowin E7-C ANC Wireless Headphones Bluetooth Headset Active Noise Canceling Hea