I managed to somehow switch my bluetooth headset from English to Chinese, so my Chinese vocabulary is now three phrases:
Power on, pairing: kie-gee pae-doo-eh
Paired successfully: il-ee-en-gee-eh
Power off: guen-gee
However, I don’t know which dialect of Chinese this is.
Likely Mandarin since that is more common than Cantonese for audio Chinese support.
Thomas said Manderin too: “If the word “gee” sounds like you pronounce the letter g then it’s Mandarin. If it feels like “ke” then it’s Cantonese. All looks like Mando to me.”