Hamilton Buhl Personal Stereo Mono Headphones Leatherette Ear Cush Without Volume Control options-924-27 A cooperative learning book specifically

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Hamilton Buhl Personal Stereo Mono Headphones Leatherette Ear Cush Without Volume Control options-924-27 A cooperative learning book specificallyHamilton Electronics MS2L Super affordable personal educational headphone with leatherette ear cushions. These headphones feature Hamlton's exclusive patented ASM automatic stereo mono technology. ASM allows these headphones can be safely used with virtually all school audio equipment. Never longer worry about mismatching headphones between different sources and damaging ears or equipment. No switches to set or special plug adapters to change the