EZL 2020-20LArticle No. 500542 EZL 2020-20L 2 Spare Parts available CaseCase lock with keys Choose Spare Part Spare Parts Case lock with keys Case lock with keys Complexity Article No. 523394 Choose Spare Part Case001 Case Charge base EZL 2020-20L (tourguide) Complexity Article No. 577755 Choose Spare Part Attention! Due to the complexity of the repair, some of the spare parts shown can only be replaced by specialist workshops. In this case, please contact your nearest Sennheiser Service Center.