Each headphone comes in its own heavy-duty reclosable bag when sealed kills lice in 24-48 hours without the use of chemicals. Write on bags with students name and headphone now comes in easy to write-on, medium gray colors. Now featuring Hamiltons exclusive ASMtm automatic stereo/mono technology (patent-pending). With ASMtm these headphones can be safely used with virtually all school audio equipment. No longer worry about mismatching headphones between different sources and damaging ears or equipment. No switches to set or special plug adapters to change--the headphone knows if it is plugged into a stereo or mono system and automatically adjusts! Use with educational style cassette players, record players, CD/cassette boom boxes, DVD, VCR, TV, home stereo or multi-media computer equipment. Operates in 1/8 inch stereo, 1/8 inch mono, 1/4 inch stereo or 1/4 inch mono modes. Cobalt magnet drivers provide high-fidelity stereo sound.
