Widely Compatible: Thanks to its high-performance function and dual design, this USB storage stick can be used with a large variety of gadgets. The memory stick is compatible with Windows, Linux, macOS, Android, tablets, smartphones, and so much more. 128GB factory format is exFAT, f your device wouldn't recognize it, please try to reformat it with FAT32 or NTFS.Plug and Play: Our 128GB USB memory stick doesnt require the installation of drivers or other software. You simply plug the stick into the port and transfer data between your devices. Do make sure your smartphone supports OTG and turn it on before use.THIS IS OUR PROMISE: If have any questions or your concerns, please contact our customer service, we are available via email.USB AUSB C 3.1: 2-in-1 USB-C flash drive on-the-go come with USB A 3.1 connector (connect to PCs, tablets) and USB C 3.1 connector (connect to smartphone with USB type c connector) backward compatible with USB 2.0/3.0. Easily transfer data between phones and PCs.Data Transfer and Storage: In comparison with the 2.0 version, this USB flash drive 128GB ensures faster data transfer, including videos, photos, or other large files. It delivers a read speed up to 120MB/s.