...from the manufacturer's web site...
"During the Sengoku era in Japan there were people who called 'Shinobi'. They carried particular kinds of tools and worked for their king as intelligence agents.
Our new model Shinobi, UHF micro size transmitter is named after those people and the world in which they lived. We believe Shinobi will be the best tool for gathering intelligence. Sun-Mechatronics supports the Shinobi who live in our age."
The answer... Can't fool you (all are bugs, of course). Sun-Mechatronics is just one of many companies from Bombay to eBay which sell bugging devices built into everyday objects. The good ones, however, are not this easy to spot; like that innocuous 'extra' block of wood glued under your conference table. (more)