Plug Type:WirelessFunction:For Mobile Phone,Monitor Headphone,HiFi Headphone,For iPod,Sport,Common HeadphoneWireless Type:bluetoothConnectors:NoneWaterproof:NoCommunication:WirelessSupport Memory Card:NoLine Length:0.5mVocalism Principle:Hybrid technologyIs wireless:YesSupport APP:NoStyle:Ear HookBrand Name:QCYWith Microphone:YesResistance:32ΩVolume Control:YesFrequency Response Range:20-20000HzSupport Apt-x:YesActive Noise-Cancellation:NoModel Number:M1CControl Button:YesSensitivity:108±3dB