Segway HT vs Segway

Segway HT and Segway both are nouns.

Word	Noun	Adjective	Verb	Adverb
Segway HT	Yes	No	No	No
Segway	Yes	No	No	No

As nouns, Segway HT and Segway are synonyms defined as:

Segway HT and Segway: (trademark) a self-balancing personal transportation device with two wheels; can operate in any level pedestrian environment

Other synonyms of Segway HT include Segway Human Transporter.

Segway HT (noun)	Segway (noun)
(trademark) a self-balancing personal transportation device with two wheels; can operate in any level pedestrian environment	(trademark) a self-balancing personal transportation device with two wheels; can operate in any level pedestrian environment