POLY Voyager Focus 2 UC Headset Wired & Wireless Head-band Office/Call center USB Type-A Bluetooth Black

Bluetooth: Yes | USB connectivity: Yes | Bluetooth profiles: A2DP | Bluetooth profiles: AVRCP | Bluetooth profiles: HSP | Headset type: Binaural | Headphone sensitivity: 102 dB | Bluetooth profiles: HFP | Talk time: 19 h | Operating keys: Mute | Cables included: USB | LED indicators: Yes | Product type: Headset | Harmonized System (HS) code: 85183000 | Battery type: Built-in battery | Carrying case: Yes | Continuous audio playback time: 40 h | Weight: 175 g | Wearing style: Head-band | Standby time: 720 h | Charging stand: No | Bluetooth version: 5.1 | USB connector: USB Type-A | Battery operated: Yes | Product colour: Black | Ear coupling: Supraaural | Headphone frequency: 20 - 20000 Hz | Battery technology: Lithium-Ion (Li-Ion) | Recommended usage: Office/Call center | Wireless range: 50 m | Battery capacity: 560 mAh | Connectivity technology: Wired & Wireless | Operating keys: Answer/end call | Operating keys: Volume + | Operating keys: Volume - | Battery recharge time: 2 h | Microphone mute: Yes | Microphone type: Built-in | Continuous audio playback time (ANC on): 24 h | Microphone noise-canceling: Yes