USB Cable storage Volume control, Answer/end call, smart button, battery status, Bluetooth Intelligent voice assistant Fully compatible with UC systems and VoIP Clients Lamp ring state indicator Optima HD voice - full duplex technology 17-feet (5-meters) microphone pickup Built in MEMS microphone, 360 degree Voice pickup Built in DSP: AEC VAD, CNG, PLC, AJB, AGC MEMS: 16K microphone sampling rate Wideband Audio/HD Voice: speaker frequency response 100Hz to 14KHz Echo cancellation tail length is up to 320ms Adaptive Music and Conference Mode Bluetooth A2DP: multimedia streaming Microphone frequency response: USB&BT More information: Ports & interfaces | Interface | Bluetooth |  | Bluetooth | Yes | | Bluetooth version | 5.0 | | AUX in | Yes | | USB connector type | USB Type-A | Microphone | Microphone frequency | 100 - 6.5 Hz | | Microphone mute | Yes | Power | Power source type | USB | | Talk time | 10 h | Features | Product colour | Black | | Speakerphone | Yes | | Echo cancellation | Yes | | On/off switch | Yes | | Plug and Play | Yes | | Frequency band | 100 - 14 GHz |
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