Poly Voyager 4320-M +USB-A to USB-C Cable +BT700 dongle

Foldable: No | Talk time: 24 h | Wearing style: Head-band | Continuous audio playback time: 47 h | Charging source: USB | Charging stand: Yes | Operating keys: Mute | Receiver included: Yes | Near Field Communication (NFC): No | Acoustic system: Closed | Headset type: Binaural | Bluetooth profiles: AVRCP | Headphone frequency: 20 - 20000 Hz | Operating keys: Volume + | Driver unit: 3.2 cm | Bluetooth profiles: HSP | Bluetooth profiles: HFP | Standby time: 1200 h | Works with the Google Assistant: Yes | MP3-player: No | Operating keys: Volume - | Battery operated: Yes | Microphone frequency: 100 - 6800 Hz | Bluetooth profiles: A2DP | Operating keys: Answer/end call | Wireless charging: No | Microphone type: Boom | Number of paired devices remembered: 8 | MEMS (Micro-Electro-Mechanical System) microphone: Yes | Works with Apple Siri: Yes | Width: 155 mm | Cables included: USB Type-A | Height: 182 mm | Bluetooth: Yes | Battery recharge time: 1.6 h | USB connector: USB Type-A | Bluetooth version: 5.1 | Wireless range: 50 m | Product colour: Black | Number of microphones: 2 | Mac operating systems supported: Yes | USB connectivity: Yes | Product type: Headset | Windows operating systems supported: Windows 11 | Depth: 67 mm | International Protection (IP) code: IPX4 | Connectivity technology: Wireless | Cable length: 1.5 m | Recommended usage: Office/Call center | Battery type: Built-in battery | Carrying case: Yes | Cables included: USB Type-A to USB Type-C | Detachable cable: Yes | Quick start guide: Yes | Windows operating systems supported: Windows 10 | Battery technology: Lithium-Ion (Li-Ion) | Weight: 162 g