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 albumsand 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 IOS devices, Android devices, and traditional USB interface devices, making file sharing and transfer across multiple devices effortless. The ZARMST Memory Stick delivers fast and efficient transfer speeds of up to 20M/S Read and 10M/S Write, offering seamless transfer of various file types without requiring cables or cloud connections. It also enables offline memory release to free up space on your devices. The ZARMST Photo Stick is a 128GB flash drive featuring a 4 in 1 design and constructed with high-quality aluminum for ultimate durability.