U31 【MFi Certified, with Fingerprint Authentication】This MFi-certified USB memory for iPhone clears Apple's strict standards, offering seamless compatibility with iPhones and iPads. Data transfer and backup are increasingly safe and secure. Using advanced biometric authentication technology enhances security, allowing easy and secure access to data with fingerprints. It prevents the leakage of important data in case of data loss or theft. 【USB 3.0 High-Speed Transfer, Fast Recognition】The fingerprint authentication USB memory supports USB 3.0, achieving high-speed and stable write/read speeds. Fingerprint authentication unlocks in just one second. By pre-registering fingerprints and passwords, you can unlock the device simply by touching the center of the body. Smooth authentication is possible from any 360° angle. 【Multi-Device Compatibility, Absolute Reliability】The Apple MFi-certified USB memory for iPhone is compatible with all iPhone and iPad series. It is also compatible with iPad Pro and Macbook with USB-C connectors, and Android devices. The external USB for iPhone supports iPhone 15 Pro Max/15 Pro/15 Plus/15/iPhone 14 Pro Max/14 Pro/14 Plus/14/SE 3/13 Pro Max/13 Pro/13/13 mini/12 Pro Max/12 Pro/12/SE 2/11 Pro Max/11 Pro/11/XR/XS Max/XS/X/8 Plus/8/iPad Air (1st/2nd/3rd generation)/MacBook (Pro/Air)/iPad mini (1st/2nd/3rd/4th/5th generation)/iPad (5th/6th/7th/8th/9th generation), etc. 【Multi-Functional File Management, iCloud Subscription Countermeasure】The iPhone-compatible backup efficiently manages various data with its rich features. It meets a wide range of needs, such as file organization, data backup, and migration, further enriching your digital life. The shape that fits comfortably in your hand and high-quality materials combine usability and style. Dust caps are included for each terminal to protect the terminal parts from dust and scratches. The included string can be attached to a keychain to effectively prevent loss.