HamiltonBuhl Deluxe Active Noise-Cancelling Headphones with Case compat_trrs The Smart-Trek USB Deluxe Headset

The Smart-Trek USB Deluxe Headset combines rugged classroom durability

Up to six students can listen to the same audio through individual headsets and record responses via mic

Crystal Clear Audio: Powered by 40mm speakers

IPX4 splash & sweat resistance: Suitable for daily school and campus use

HamiltonBuhl Deluxe Active Noise-Cancelling Headphones with Case compat_trrs The Smart-Trek USB Deluxe HeadsetThe HamiltonBuhl NCHBC1 headphones are specially designed to deliver superior noise cancellation by actively reducing harmful and annoying low frequency sounds in noisy environments. The deluxe, over ear cups with soft cushions deliver passive noise suppression as well. Together, the passive and active noise canceling technology creates a quiet, soothing environment to focus on the audio in your headphones or have some peace with no sound. The active