Many accessories have been made for the iPod line. A large number are made by third party companies, although many, such as the iPod Hi-Fi, are made by Apple. Some accessories add extra features that other music players have, such as sound recorders, FM radio tuners, wired remote controls, and audio/visual cables for TV connections. Other accessories offer unique features like the Nike+iPod pedometer and the iPod Camera Connector. Other notable accessories include external speakers, wireless remote controls, protective case, screen films, and wireless earphones. Among the first accessory manufacturers were <answer>Griffin Technology, Belkin, JBL, Bose, Monster Cable, and SendStation</answer>.
What are six companies that made some of the first peripherals for the iPod?
Griffin Technology, Belkin, JBL, Bose, Monster Cable, and SendStation