Call Center Bluetooth Headset

Connectors: 2.5mmControl Button: YesActive Noise-Cancellation: YesStyle: HeadphoneCommunication: WiredVocalism Principle: DynamicVolume Control: YesWireless Type: BluetoothSupport Memory Card: NoWith Microphone: YesModel Number: Bluetooth Call Center HeadsetResistance: 32ΩFrequency Response Range: 8-25000HzFunction: For Internet...