Bluetoot Wireless Earphone Neckband Headset

Plug Type: WirelessFunction: For Mobile Phone,Sport,Common HeadphoneSupport APP: NoFrequency Response Range: 20-20000HzLine Length: NoneVocalism Principle: OtherActive Noise-Cancellation: NoCommunication: WirelessSupport Apt-x: NoVolume Control: YesSupport Memory Card: NoWaterproof: NoResistance: 16ΩStyle: NeckbandIs wireless: YesConnectors: USBWith Microphone: YesControl Button: YesModel Number: Jaws Bluetooth HeadsetSensitivity: 110±3dBWireless Type: BluetoothFunction: Microphone, Supports music, Wireless Headphone, Portable, BluetoothTime to market: 2017Bluetooth version: 4.1