Product description:● Support: SD， Micro SD Card● Support Win XP / ME / Vista / 7/8 / 8.1● support Mac OS 10.5 above● support Android 4.x needed (OTG function)◆ Read 80 MB / s， write 70 MB / s◆ supports the latest SD3.0 UHSI / SDHC / SDXC◆ OTG Support Android system◆ Support WIN 8.1， Mac， Lunix◆ can be connected to a computer， laptop， smart phones and--- Android Tablet◆ transparent cover and dustproof design◆ When Missed memory card， you can use when charging● read and write speeds must comply with the high-speed memory card● Dual interface Micro USB and standard USB connectors for mobile phones， tablet PCs， PC● Support Android system of OTG smart phone / tablet and other mobile devices● two-way transmission: Memory card data can be copied to a computer or mobile phone hand， data can be copied to a computer or cell phone memory card● Support SDHC (UHS-I)， SDXC (UHS-I)● support MicroSDHC (UHS-I)， MicroSDXC (UHS-I)● Standard USB3.0 Specification● Plug， free installation driver● transparent cover and dustproof design● USB or Micro USB connector only alternative use● read with LED status indicators● Missed memory card， you can use when charging