POLY Voyager Surround 80 UC USB-C Headset +USB-C/A Adapter

Number of microphones: 10 | Headphone sensitivity: 132 dB | Charging source: USB | Quick start guide: Yes | Bluetooth profiles: A2DP | Battery recharge time: 1 h | Headset type: Binaural | Width: 191 mm | Driver unit: 4 cm | Battery technology: Lithium-Ion (Li-Ion) | Cable colour: Black | USB connector: USB Type-C | Bluetooth profiles: AVRCP | 3.5 mm connector: Yes | Bluetooth profiles: HSP | Recommended usage: Music/Everyday | Bluetooth: Yes | Ear coupling: Supraaural | Talk time: 21 h | LED indicators: Yes | Wireless range: 30 m | Carrying case: Yes | Depth: 77 mm | USB connectivity: Yes | Bluetooth version: 5.3 | Audio adapters included: USB | Bluetooth profiles: AVDTP | Battery type: Built-in battery | On/off switch: Yes | Bluetooth profiles: HFP | Wearing style: Head-band | Product colour: Black | Weight: 275 g | Control type: Touch | Product type: Headset | Volume control: Touch | Height: 181 mm | Connectivity technology: Wireless | Cables included: 3.5 mm to USB Type-C | Head-band cushion: Yes | Warnings: Do not disassemble or modify the product yourself. | Charging case connector type: USB Type-C | Microphone frequency: 20 - 16000 Hz | Battery operated: Yes | Number of simultaneously connected devices (max): 2 | Microphone sensitivity: -37 dB | Operating keys: Volume + | Operating keys: Volume - | Operating keys: Track | Microphone type: Built-in | Operating keys: Play/Pause | Operating keys: Track | Continuous audio playback time: 24 h