Four mainstream interface options, flash memory U disk easily realizes file transfer between mobile phone and PC, which is more convenient to use Using high-performance quality control chip, USB3.0 efficient interface, save time and effort for file transfer. Also backward compatible with USB2.0 interface Zinc alloy metal frame layout, smooth lines, secure feel. Not fearful of wear and tear, showing the beauty of metallic With a lanyard, it's miles greater convenient to carry out. Any time anywhere records transfer Specifications: Brand: yesido Interface: USB/Micro/Type-C/Lightning Read Speed: USB3.0 interface, read 110M/S, write 30MB/S Mobile phone interface: at the device-related speed without standard bricks Net Weight: 13g Tips for using IOS OTG: IOS mobile phone needs to download the software to use, search for Y-DISK software in the APP Store to download and use or the AppStore for iPad to use.