U31 【MFi Certified, Fingerprint Authentication】This MFi-certified USB memory for iPhone meets Apple's strict standards, providing seamless compatibility with iPhone and iPad. Data transfer and backup are becoming increasingly safe and secure. Using advanced biometric authentication technology, it enhances security, allowing easy and secure access to data with fingerprints. It also 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 writing and reading speeds. Fingerprint authentication unlocks in just 1 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 terminals from dust and scratches. The included string can be attached to a keychain to effectively prevent loss.