- Implementation of access control systems using wristbands with Radio Frequency Identification (RFID) or Near Field Communication (NFC) technology, which allow guests to unlock room doors, access restricted areas, and conduct hotel transactions conveniently and securely. - Personalization of key wristbands with guest information, such as name, room number, and date of stay, to facilitate identification and improve the user experience. - Integration with the Hotel Management System (PMS) and other information technology systems to synchronize guest data, assign access permissions, and record wristband usage activities in real time. - Advanced security and data protection, including communications encryption, user authentication, and wristband cloning or duplication prevention measures, to ensure the privacy and integrity of guests' personal information. - Additional features, such as contactless payments, fitness tracking, and access to spa or entertainment services, which add value and convenience to the guest experience and promote loyalty to the hotel brand.