Automatic backup every time you charge! Solve capacity problems with ease! Compatible with both iPhone and Android. By using it between the smartphone charger and the cable, photos, videos, contact information, etc. are backed up to microSD when charging. There is no need for complicated operations, and the latest data is automatically saved when charging every day. Since it runs in the background, you can operate other apps at the same time. When the microSD capacity is full, we will notify you of the card replacement and back up from the new microSD. If you connect the main unit to a computer via USB, it can also be used as an SD card reader, and you can browse and move the data saved from the smartphone. If you set the SD card lock from the app, you will not be able to read the microSD from any device other than the set device, and you can rest assured in terms of security. Obtained Apple's MFi certification. The app is also cute Kanahei's small animal specification! specification □ interface: USB-C connector female ×1, USB-C connector male × 1 □ slots: microSD slot×1 □ Production area: Taiwan □ instruction manual: Japanese instruction manual available □ Warranty period: 2 years from the date of purchase □ Supported OS: iOS 14 or later / Android 6.0 or later Compatible models iPhone15 series, iPhone14 series, iPhone13 series, iPhone12 series, iPhone SE2, iPhone 11 series, iPhone X series, iPhone8 series, iPhone7 series, iPhone SE, iPhone6 series, iPhone 5s iPad (6th generation), iPad (5th generation) iPad Air (3rd generation), iPad Air (2nd generation), iPad Air , iPad mini (5th generation), iPad mini (4th generation) iPad Pro (12.9-inch 3rd generation), iPad Pro (11-inch), iPad Pro (12.9-inch 2nd generation), iPad Pro (10.5-inch), iPad Pro (12.9-inch), iPad Pro (9.7-inch) - Compatible with Android models □-compatible microSD capacity No upper limit * Only exFAT is supported as a microSD file format.