You’re all set. Plugs from Tokelau work just fine in Cook Islands
Plugs in Tokelau 230V
Sockets in Cook Islands 240V
You’ll want these for the plane
We recommend Bose QuietComfort Headphones
You’ll fly more comfortably by cutting out the background noise with these excellent noise-cancelling headphones. We’ve flown dozens of hours with these exact headphones and they work very well.