How to pronounce 紅外線 in Cantonese (2 out of 8):

手機頂部係紅外線收發位
The top of the phone is the infrared position.

Cantonese Sentence Breakdown

手機 sau2 gei1
mobile phone
頂部 deng2 bou6
top
hai6
(Cantonese) to be
to connect
to relate to
to tie up
to bind
to be (literary)
to involve
relation
relationship
consequence
yes
indeed
right
紅外線 hung4 ngoi6 sin3
infrared radiation
收發 sau1 faat3
to send and receive
wai6
position
location
place
seat
classifier for people (honorific)
classifier for binary bits (e.g. 十六位 16-bit or 2 bytes)
throne
post
rank
status