POLY Voyager 4320 USB-A Headset +BT700 dongle

Weight: 122 g | Package height: 55 mm | Battery type: Built-in battery | Wireless range: 50 m | Bluetooth: Yes | Quick start guide: Yes | Mac operating systems supported: Yes | Package width: 186 mm | Cables included: USB Type-C | Package weight: 590 g | Cable length: 1.5 m | Windows operating systems supported: Windows 10 | Package depth: 210 mm | Product colour: Black | Connectivity technology: Wireless | Driver unit: 3.2 cm | Recommended usage: Office/Call center | Ear coupling: Supraaural | Continuous audio playback time: 47 h | Battery operated: Yes | Headphone frequency: 20 - 20000 Hz | Microphone type: Boom | Talk time: 24 h | Bluetooth profiles: AVRCP | Bluetooth profiles: A2DP | Headset type: Binaural | Bluetooth profiles: HFP | Width: 155 mm | Battery technology: Lithium-Ion (Li-Ion) | Pouch: Yes | Standby time: 50 h | Height: 182 mm | Product type: Headset | Depth: 67 mm | Microphone frequency: 100 - 6800 Hz | Bluetooth version: 5.1 | Bluetooth profiles: HSP | Wearing style: Head-band | Warnings: Do not disassemble or modify the product yourself. | Battery recharge time (charging case): 1.6 h | MEMS (Micro-Electro-Mechanical System) microphone: Yes