ZARMST guarantees the quality of their products, with their 128GB USB flash drives undergoing rigorous testing and formatting protocols before being shipped, and with the product having a 5-year warranty. Their customer service team is available to address all queries within 24 hours. For IOS users, the LUV-Share app serves as a powerful file management tool that enables easy access and backup of all files stored on the device with a one-click backup option for albums, address book, and encrypted files. The app is available for download through the App Store. With its innovative 3 in 1 design and USB Type C end-facing interface, the ZARMST Memory Stick is universally fit for IOS devices, Android devices, and traditional USB interface devices, making file sharing and transfer across multiple devices effortless. Fast and Efficient Transfer Speeds: With transfer speeds of up to 20M/S Read and 10M/S Write, the ZARMST Memory Stick enables seamless transfer of various file types without the need for data cables or cloud connections. It also enables offline memory release, providing fast and efficient performance. Durable and High Capacity: The ZARMST Photo Stick offers a whopping 128GB storage capacity and boasts a high-quality aluminum body, making it durable. Its built-in ports for phone, USB-C, Micro USB, and USB A Connector ensure convenient compatibility with a variety of devices.