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Koss Wireless Headphone
 
Koss JR9000
 
Koss jr/900 rf -cordless stereophone w/re-chargeable nicad batteries
 
Koss jr/900 rf -cordless stereophone w/re-chargeable nicad batteries
The Koss JR-900 cordless stereo headphone system consists of a transmitter and a set of 10-ounce headphones with a built-in receiver for cordless listening from almost any audio ...