HTPOW USB Laser Pointer
http://www.htpow.com/10mw-green-usb-laser-pointer-pen-p-1153.htmlThis 10mw green USB Laser Pointer can easily point to the PPT or blackboard in any corner of classroom.
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http://www.htpow.com/10mw-green-usb-laser-pointer-pen-p-1153.htmlThis 10mw green USB Laser Pointer can easily point to the PPT or blackboard in any corner of classroom.