Its design aims to provide back support, sense the user's motion, and send a signal to motors which manage the gears.
ɪts dɪzˈaɪn ˈeɪmz tə pɹəvˈaɪd bˈæk səpˈoːɹt, sˈɛns ðə jˈuːzɚz mˈoʊʃən, ænd sˈɛnd ɐ sˈɪɡnəl tə mˈoʊɾɚz wˌɪtʃ mˈænɪdʒ ðə ɡˈɪɹz.