IR-310M Infrared Wireless Microphone
The IR-310M is a lightweight, hands-free infrared wireless microphone. Designed for use in school classrooms, it eliminates problems with interference and eavesdropping, allowing for simultaneous use in adjacent classrooms. It can operate in one selectable IR frequency, with two transmitters working simultaneously together. It is also capable of operating with one piece of rechargeable AA Ni-MH battery IR-200BT-2, up to 8 hours.
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US 11146 
GB 8058 
CA 6553 
AU 4493 
IE 1976 
NZ 1411 
IN 939 
SG 828 
