USB Type-C On-The-Go M161 is designed with OTG (On-The-Go) function and both interfaces (USB standard connector and Type-C) can be used for transfer. USB Type-C is smaller than the standard USB port slot. Users are able to plug in their devices smoothly no matter which side is up or down. In addition, it is compatible with Macbook (2015) or Android mobile devices, so your files are no longer restricted while transferring. Extreme high speed transfer in a blink of the eye M161 is using USB 3.1(Gen1) high speed transfer specification. It can greatly enhance transfer performance, and also downward compatible with USB 2.0 interface. The transfer speed and read speed per second can be reached 80MB/s above. It allows quick access for large files in a short time, so no more waiting for transfer. Unrestricted mobility that Expand your storage capacity wherever you are In response to the trend, new mobile devices are getting thinner and thinner, but the problem of insufficient capacity still occurs very often and the price for upgrade is also often too high to afford. M161 can be used on USB Type-C devices and offers up to 128GB of storage space. You are able to backup photos, videos and all sorts of files, or enjoy sharing precious data without worrying about the problem of insufficient capacity. Smart rotate and no more cap loss The smart 360° rotating cap design not only protects the connector when it’s not in use, but also eliminates the trouble of losing the cap, and increasing efficiency and convenience of usage. M161 offers all-around protection in waterproof and dust-proof M161 is using COB (Chip On Board) assembly process to offer waterproof and dust-proof. It avoids data corruption or data loss which caused by external forces during the operation. It provides all-around Import charges may apply to your purchase. Find out whether these apply here: http://www.whatsmyduty.org.nz/