Portable USB Interactive Whiteboard: turn the wall into your computer's touchscreen immediately and make presentations easier and fun!
http://www.plusbuyer.com/usb-interactive-whiteboard-with-two-irenabled-pens-light-weight-p-1798.html
2017年12月26日星期二
USB Interactive Whiteboard with Two IR-enabled Pens - Light Weight
Portable USB Interactive Whiteboard: turn the wall into your computer's touchscreen immediately and make presentations easier and fun!
http://www.plusbuyer.com/usb-interactive-whiteboard-with-two-irenabled-pens-light-weight-p-1798.html
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