78-дюймовый оригинальный дизайн интерактивная белая доска

78 inch smart design interactive white board interactive white board 78 inch High Technology Portable Easy-to-use Cost-effective 78 inch smart design portable interactive white board78 inch smart design portable interactive whiteboard is a portable device that can be attached to standard whiteboards or any flatand smooth surface and convert the surface into an interactive whiteboard. Just by connecting the device to computer can make notes or drawings on the whiteboard and download them onto computer to save, print, fax or email them. With specially designed pens to write on the whiteboard that use infrared and ultrasound technology to determine where on the whiteboardusers are writing.