Style: In-EarLine Length: NoneResistance: 9ΩCommunication: WirelessSupport APP: NoWaterproof: NoWireless Type: BluetoothPlug Type: WirelessSensitivity: 123dBConnectors: USBFunction: Bluetooth,Noise Cancelling,Microphone,For Routine Office Work,Wireless Headphone,For Mobile Phone,Portable,Supports musicSupport Apt-x: NoVocalism Principle: Hybrid technologyFrequency Response Range: 8-25000HzSupport Memory Card: No