Esperanza Raven EGH310

Design:Wearing style: Head-bandHeadset type: BinauralBacklight: YesProduct colour: Blue, BlackBacklight colour: BluePackaging content:DFU / User manual: YQuantity: 1Ports & interfaces:USB connectivity: No2x 3.5 mm connectors: YesBluetooth: NoCable colour: BlackConnectivity technology: WiredCable length: 2 mMicrophone:Headphone frequency: 30 - 16000 HzMicrophone sensitivity: -52 dBHeadphones:Impedance: 32 ΩHeadphone frequency: 20 - 20000 HzDriver unit: 4 cmMaximum input power: 100 mWHeadphone sen