Passive Noise Reduction Headphones QZ99 type_usb_c and blended learning

and blended learning

Easy Installation: Designed for straightforward replacement

and speaker mute functions directly from the headset with the intuitive in-line controls

5 mm TRRS connection—great for PCs

Passive Noise Reduction Headphones QZ99 type_usb_c and blended learningThe QZ99 Passive Noise Reduction headphones sport neodymium magnet structures that deliver outstanding clarity and definition. The closed Pneumalite ear cushions and extra secure headband create a tight seal around the ear eliminating all ambient noise. Durable and built to withstand the rigors of indoor and outdoor use, the Koss QZ99 also includes a volume control on the ear cup that makes adjusting sound levels a snap, and a stereo mono switch that