Lenovo 4XD1J77351 headphones/headset Wired In-ear Office/Call center USB Type-C Black

Black Office/Call center In-ear Headset. Wired USB connectivity. Intraaural 100 - 20000 Hz 32 Ω 110 dB. Microphone type: In-line. Performance. Certification. CBcTUVusFITUV-merktekenFCCVCCIKCCE EMC. Cable colour. Black. Cable length. 1.2 m. Control unit type. In-line control unit. Product colour. Black. Headset type. Binaural. Recommended usage. Office/Call center. Wearing style. In-ear. Product type. Headset. Ports & interfaces. USB connector. USB Type-C. USB connectivity. Yes. Connectivity technology. Wired. Headphones. Driver unit. 9 mm. Headphone sensitivity. 110 dB. Impedance. 32 Ω. Headphone frequency. 100 - 20000 Hz. Ear coupling. Intraaural. Maximum input power. 5 mW. Microphone. Microphone frequency. 100 - 10000 Hz. Microphone type. In-line. Battery. Battery operated. No. System requirements. Windows operating systems supported. Yes. Operational conditions. Operating temperature (T-T). -10 - 50 °C. Weight & dimensions. Weight. 12 g. Packaging data. Package weight. 50 g. Package height. 25 mm. Package depth. 56 mm. Package width. 122 mm