Lenovo 4XD1T60925 headphones/headset Wireless Head-band Office/Call center USB Type-C Bluetooth Grey

Certification: CB, BQB, CE, TUV mark, UKCA, RCM, EAC, cTUVus, FCC, ICES, WPC, SRRC, SIRIM, KC, IMDA, SDPPI, JRF | LED indicators: Yes | AC adapter included: No | Package weight: 554 g | Weight: 153 g | Bluetooth: Yes | Product colour: Grey | Windows operating systems supported: Windows 10 | Cable length: 1.3 m | Package type: Box | Connectivity technology: Wireless | Battery voltage: 5 V | Package width: 187 mm | Operating temperature (T-T): 0 - 45 °C | Mobile operating systems supported: Android | Wireless receiver interface: USB Type-C | Control type: Touch | Package height: 56 mm | Headphone frequency: 20 - 20000 Hz | Impedance: 16 Ω | USB connectivity: Yes | Mobile operating systems supported: iOS | Cables included: USB Type-C to USB Type-C | Product type: Headset | Battery capacity: 640 mAh | Number of microphones: 5 | Microphone direction type: Unidirectional/Omnidirectional microphone | Headset type: Binaural | Microphone mute: Yes | Battery recharge time: 2 h | Mac operating systems supported: Yes | Wearing style: Head-band | Receiver included: Yes | Ear coupling: Supraaural | Foldable: Yes | Warranty card: Yes | Package depth: 165 mm | USB connector: USB Type-C | Recommended usage: Office/Call center | Wireless range: 30 m | Driver unit: 2.8 cm | Headphone sensitivity: 120 dB | Bluetooth version: 5.3 | Adjustable headband: Yes | Colour name: Thunder Gray | Pouch: Yes | Microphone type: Boom/Built-in microphone | Total Harmonic Distortion (THD): 3% | Continuous audio playback time: 50 h | Microphone frequency: 20 - 2000 Hz | Operating keys: Volume - | Operating keys: Answer/end call | Microphone noise-canceling: Yes | Operating keys: Mute | Operating keys: ANC control | Operating keys: Reject call | Operating keys: Microsoft Teams button | Operating keys: Multi-key | Operating keys: Volume + | Operating keys: Bluetooth pairing