Casti Head-band DELL Pro Plus WH5024, Wired, noise-canceling, Negru

DELL PRO WIRED ANC HEADSET WH5024, Tech Specs: Audio (output/speaker): Speaker Size 40mm, Frequency Response 20Hz - 20kHz, Frequency Response (talk mode) 100Hz - 8kHz, Speaker Driver Sensitivity 120dB @ 1mW/1kHz, Noise cancellation ANC, User Hearing Protection: Yes, Audio (input/microphone): Noise cancellation (microphone) AI Up-Link Noise Cancellation, Microphone Type 2, analog, Microphone Frequency Range 100Hz - 14kHz, Microphone Direction Uni-Directional, AI Beam Forming, Sensitivity -45dBV/Pa, Signal-to-Noise Ration (SNR) 53dB, Mic Boom 100-130° rotation (Discreet, single sided, left), Design & Fit: Form Factor On-Ear, Weight ≤ 189g, Ear Cup Size (Diameter) 7.0 (W) x 7.7 (H) cm, Headband Material: leatherette + memory foam + plastic inner cap, Ear Cushion Material Leatherette, Memory Foam Cushions, Stacking/Stowing Fold - earcup 90 deg pivot fold +/-, Connectivity: Connection to PC USB- C, wired, Cable Length (including controller) 2.0m, USB Adapter USB-A (plug), USB-C (receptacle), 3 Year Limited Hardware with Advanced Exchange Service