Help Voltage in cabins!

[tuppence]

Im packing for our Spanish Med cruise on Grandeur of the Seas and although we have been three times on RCL Im not sure whether my travel hairdryer will work on board. Is it US voltage or European Help!:confused: Many thanks

[Missus Makkem]

Im packing for our Spanish Med cruise on Grandeur of the Seas and although we have been three times on RCL Im not sure whether my travel hairdryer will work on board. Is it US voltage or European Help!:confused: Many thanks

there are 110v flat pin & 220v round pin sockets

[tuppence]

Many thanks for your quick response, we're very grateful, packing now complete:)