Please note that your voucher isn't your entrance ticket; you'll receive the tickets a day before the tour date via e-mail and WhatsApp (if used) so don't forget to check your mailbox (the junk folder too)
Your cruise ticket can be used on another day, but the museum ticket must be used on the scheduled date
The river cruise departs every 30 minutes from 10.00 am to 10.30 pm (April to September) and every hour from 11.00 am to 8.30 pm (October to March) at the feet of the Eiffel Tower: Bateaux Parisiens, Port de la Bourdonnais, Pier number 3
The boat can host 300 people in good weather conditions and 120 people when the weather is rainy, to comply with the rules
The audio guide on the boat is available in 14 languages: French, English, Hindi, Arabic, German, Italian, Spanish, Portuguese, Russian, Polish, Dutch, Chinese, Japanese, and Korean
You're suggested to arrive around 30 minutes in advance; indeed, even with prepaid tickets, there may be waiting time at security checkpoints