Maktar Qubii (with 128GB microSD card) Purchase price: ¥8,800 Purchased on Amazon in June 2023. Used once or twice, but I'm selling it because I don't have a use for it. I deleted all the data, but for some reason, 655kb remains (see image 12). I contacted the manufacturer, and they replied that "such a phenomenon can occur" (see image 13). Please consider purchasing only if you understand this. * Please refrain from purchasing if you are concerned, as this is a personal inspection. * Please understand that this is a used item and purchase accordingly. * No claims or returns accepted. - From the official website - [With Qubii, you can take as many photos as you want!] Simply charge your smartphone before bed, and your iPhone photos and videos will be automatically backed up! With Qubii, you don't have to worry about running out of iPhone storage, and you can take photos without hesitation! Easy to use and fast transfer. You can also easily transfer iPhone photos to your computer with simple operation. [What can be saved] Photos, videos, music, contacts, SNS (Instagram, Facebook images, etc.) [Solve storage shortage] Free up space without a PC. You can freely increase the capacity by changing the card! Compatible with microSD cards from various manufacturers. (Up to 2TB) Back up offline, so there is no risk of data leakage. [MFi certified, 1-year warranty, wide compatibility] iPhone & iPad iOS 10 or later / Can also be used as an SD card reader and is compatible with Mac OS and Windows. When used by plugging into a USB port, it can also be used as a charger. [※ About chargers and charging cables] Always use an Apple-certified or MFi-certified USB power adapter and Lightning cable. We cannot guarantee normal operation if used with other products. [Free & easy-to-use dedicated app] You can view and manage backed-up data with the dedicated "Qubii" app. It can be shared with different smartphones, and you can manage your data neatly without mixing it up. You can use it while running other apps.