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

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