Califone 2924AV Deluxe Monaural & Stereo Headphones

The Califone 2924AV Deluxe Monaural & Stereo Headphones are longstanding teacher favorites (and student-tested) for literacy and language learning activities, computer-related classes classrooms and libraries.Califone understands equipment that's used repeatedly in classroom learning needs to be made to a higher standard. Safety features begin with slotted earcup baffles on all 2924 headphones protect the internal speakers against accidental perforation by sharp objects such as an unfolded paper clip or scissors. Noise-reducing earcups help hearing safety by resting around students' ears (not in them) to provide maximum protection against external noise, minimizing distractions so students won't increase the volume to hear the content. The rugged ABS plastic construction won't shatter (unlike materials used in consumer electronics items) into potentially dangerous shards and withstand the rigors of daily use.The 3.5mm stereo plug on the stereo models enable students to listen to smartphones, tablets, computers and other audio sources and comes with a 1/4" screw-on adapter. The 1/4" plug on the monaural models connects the headphones with cassette player/recorders. Both the 3.5mm and 1/4" plugs can be used with jack boxes for group listening center activities.Optional disposable hypoallergenic cloth earpad covers are available for headphones in high use settings.