Specification： Product Name：4 In 1 Otg USB Flash Drive Capacity：8GB/16GB/32GB/64GB/128GB optional Color:Sliver,pink,black Material: Metal,ABS Operating temperature：-10°to 55° Storage temperature：-30°to 55° Relative humidity：20%~90% (40℃) Interface Type：Type-c interface/Android interface/USB interface/IOS phone interface Operating system：Win9/8/2000/xpnista/7/8 mscinth Os9.X or later/ Android Smart device with Otg function perfect support for IOS system Transmission Speed：60M-100M/S (USB3.0) Writting Speed：20M-50M/S (USB3.0) Data Retention：10 Years Minimum,also can be repeatedly erased and written 1 million times Chip：Original high speed A-class Flash Chip Features: USB Flash Drive features durable and rugged ABS and Metal housing body with rotated design. Compact and Portable Design,easy to slip into your pocket. The inside uses the advanced A-class smart chip, assembled through many complicated and strict processes. Shock resistance, damp proof, lighting resistance, antimagnetic. USB 3.0 Data Storage Drive give you optimal storage space for important work, school, or home data options. Support USB ZIP/HDD startup. It can be used with a wide range of devices, including for Windows 7 / 8 / 10 / Vista / XP / Unix / 2000 / ME / NT Linux. And it compatible with most USB 1.1, USB 2.0 and USB 3.0 ports, you can easily transfer data or content with quick plug-and-play accessibility. Product list: 1x USB flash disk Note: 1.Please allow slight size deviations due to manual measurement,measuring methods and tools. 2.The picture may not reflect the actual color of the item because of different photographing light and display monitor.Thanks for your understanding. 【2 in 1 Dual Flash Drive】The USB flash drive has two interfaces, USB Type-A and Type-C interfaces. You can easily share files and data on devices with these two interfaces. There is no need to use WiFi and cloud services, which effectively saves file transfer time and improves work efficiency. Please note that this interface is not applicable to any compatible with iPhone and Micro-USB 【High Speed Transmission】The USB Flash Drive Provides up 40 to 80 MB/s of Read Speed and 20-40 MB/s of Write Speed. easy and efficient to transfer files, making your work and life more convenient, saving more time. 【High-quality & Friendly Design】The USB Flash Drive Used Superior Quality Metal Case Design .It also uses a 360° rotating protection design to make into a fully integrated, 90° card point design to avoid random rotation of the flash drive when in use. 【Compatibility and Plug and Play】The flash drive is plug and play, no need to install any software. You can easily back up files, photos, videos, music, etc. from your phone to your computer, or computer to phone transfer. Support Windows / Mac OS (except iOS), compatible with USB 3.0, support all types of PC and Type-C (with OTG function) devices. 【Device Default Format】The default file system of flash drive is exFAT, which is recognized by smartphones, tablets and computers. If your device does not recognize it, please try formatting it with NTFS or FAT32. It is recommended to transfer individual files smaller than 4GB.