Same or similar product is available in Europe for less than half the price.
search on Google using on keywords like Video Name Tag, Digital Tag
These kind of product is made In Taiwan by Sun Group. You can visit their website, sgmonitor.com.
Two guys at the CES show were walking around with top hats loaded with mini OLED displays playing video. Very fun stuff....they had video name tags, video wrist bands, video buckles and video bling.