Lenovo ANC Headset 6550 Wireless Head-band Office/Call center USB Type-C Bluetooth Black

Certification: CB, BQB, CE, TUV mark, UKCA, RCM, EAC, cTUVus, FCC, ICES, WPC, SRRC, SIRIM, KC, IMDA, SDPPI, JRF | Microphone noise-canceling: Yes | Battery capacity: 640 mAh | Microphone type: Boom/Built-in microphone | Pouch: Yes | Microphone direction type: Unidirectional/Omnidirectional microphone | Microphone mute: Yes | Wireless receiver interface: USB Type-A | Ear coupling: Supraaural | USB Type-C charging port: Yes | Driver unit: 4 cm | Continuous audio playback time: 60 h | Operating keys: Volume + | Number of microphones: 2 | Operating keys: Volume - | USB connectivity: Yes | Operating keys: Microsoft Teams button | Control type: Buttons | Wearing style: Head-band | Operating keys: Play/Pause | Receiver included: Yes | Operating keys: ANC control | Certified for Microsoft Teams: Yes | Headphone sensitivity: 115 dB | Bluetooth version: 5.3 | Total Harmonic Distortion (THD): 2% | Operating keys: Mute | USB connector: USB Type-C | Cable colour: Black | Headset type: Binaural | Charging time: 120 min | Headphone frequency: 20 - 20000 Hz | Impedance: 32 Ω | Number of simultaneously connected devices (max): 2 | LED indicators: Yes | AC adapter included: No | Battery voltage: 5 V | Connectivity technology: Wireless | Operating temperature (T-T): 0 - 45 °C | Package type: Box | Recommended usage: Office/Call center | Mac operating systems supported: Yes | Bluetooth: Yes | Mobile operating systems supported: Android | Wireless range: 30 m | Product colour: Black | Package height: 51 mm | Mobile operating systems supported: iOS | Weight: 165 g | Package depth: 161 mm | Cables included: USB Type-C to USB Type-C | Product type: Headset | Package weight: 365 g | Windows operating systems supported: Yes | Cable length: 1.3 m | Package width: 194 mm | Windows operating systems supported: Windows 10