hand-held vs handheld

hand-held and handheld both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hand-held	No	Yes	No	No
handheld	No	Yes	No	No

As adjectives, hand-held and handheld are synonyms defined as:

hand-held and handheld: small and light enough to be operated while you hold it in your hands

hand-held (adjective)	handheld (adjective)
small and light enough to be operated while you hold it in your hands	small and light enough to be operated while you hold it in your hands