Lenovo Wireless VoIP Headset Head-band Office/Call center Bluetooth Black

Warranty card: Yes | Bluetooth version: 5.3 | Talk time: 31 h | Receiver included: Yes | Weight: 140 g | Quick start guide: Yes | Headphone frequency: 20 - 20000 Hz | Package height: 76 mm | Wearing style: Head-band | Package width: 211 mm | Headset type: Binaural | Recommended usage: Office/Call center | Depth: 154 mm | Connectivity technology: Wireless | Operating keys: Volume + | Operating keys: Bluetooth pairing | Operating keys: Volume - | Operating keys: Play/Pause | Impedance: 32 Ω | Fast charging: Yes | Driver unit: 4 cm | Battery recharge time: 2 h | Microphone type: Boom | Microphone frequency: 100 - 8000 Hz | Package depth: 206 mm | Ear coupling: Supraaural | Product colour: Black | Package weight: 428 g | Operating keys: Answer/end call | Cables included: USB Type-C to USB Type-C | Product type: Headset | Operating keys: Mute | Bluetooth: Yes | Height: 60 mm | Operating keys: Reject call | Width: 177 mm | LED indicators: Mute | LED indicators: Battery level | LED indicators: Bluetooth | LED indicators: Charging | Continuous audio playback time: 60 h | Microphone noise-canceling: Yes