FAQ Cashless wristbandMobile payment Using MOBILE PAYMENT Je télécharge gratuitement l’app Lyf Pay. Find out how to create an account on the Lyf Pay app. Only cards from the SEPA zone (Europe) are accepted. How to pay at Rock en Seine? The wristband and the app can be used anywhere. 1Place yourorderat the bar. 2Presentyour wristbandor the QR codefrom theLYF PAY app. 3The barmanscans yourwristbandor yourQR code. 4It’s all paid for!Return toenjoy theconcerts!