USB C + USB 3.0: Dual Type C and USB A ports for easy data transfer between PC and OTG-enabled Type-C devices, including Android smartphones, tablets and MacPlug and Play: It is simple and easy to use. No need to install any software, simply insert the USB C flash drive into the USB port of your computer, smartphone, tablet or other device and start storing, backing up and transferring data between devices and locations128GB USB Flash Drive: USB Drive 3.0 has a read speed of 110 MB/s and a write speed of 35 MB/s. The default format is exFAT, some devices only support FAT32 format. Please format the USB stick as requiredMetal Material: Better transfer of heat from the chip to the surface, and protect the usb drive from oxidation and corrosion. The plug will not be damaged by frequent plugging and unplugging. UDP packaging technology makes this memory stick completely waterproofWide Compatibility: Suitable for smartphones and tablets with Type-C interface and other multimedia systems with USB-A interface, such as HiFi systems, Bluetooth speakers, car radios, smart TVs, etc. And backwards compatible with USB 2.0 and USB 1.1. Not for iPhone