Yes, you can use the post boxes at the airports.
For airport postbox locations, please refer to the airport postbox locations page.
Please note that you need to return the device before proceeding to the restricted area (areas after the security check).
*Please do not ask the hotel staff nor airport staff to return it for you as they may not take responsibility when it's lost.
*At our Airport counters, they are only for pickup so they cannot accept return items. Please drop it in a Post Box ONLY.