POLY Voyager 4310 UC Monaural Headset +BT700 USB-A Adapter +Charging Stand

Warnings: Do not disassemble or modify the product yourself. | MEMS (Micro-Electro-Mechanical System) microphone: Yes | Wearing style: Head-band | Quick start guide: Yes | Headset type: Monaural | Battery recharge time: 1.6 h | Microphone type: Boom | Depth: 67 mm | Weight: 122 g | Operating keys: Volume - | Package width: 210 mm | Operating keys: Answer/end call | Package height: 115 mm | Recommended usage: Office/Call center | Ear coupling: Supraaural | Driver unit: 3.2 cm | Cable length: 1.5 m | Connectivity technology: Wireless | Operating keys: Volume + | Operating keys: Bluetooth pairing | Bluetooth: Yes | Package depth: 188 mm | Receiver included: Yes | Wireless range: 50 m | Continuous audio playback time: 47 h | Battery technology: Lithium-Ion (Li-Ion) | Windows operating systems supported: Yes | Height: 166 mm | Battery capacity: 350 mAh | Battery operated: Yes | Pouch: Yes | Bluetooth profiles: AVRCP | Talk time: 24 h | Bluetooth profiles: HSP | Bluetooth profiles: A2DP | Headphone frequency: 20 - 20000 Hz | Width: 155 mm | Mac operating systems supported: Yes | Product colour: Black | Bluetooth version: 5.2 | Battery type: Built-in battery | Bluetooth profiles: HFP | Cables included: USB Type-A | Standby time: 50 h | Package weight: 590 g | Product type: Headset | Microphone frequency: 100 - 6800 Hz