Premium Genuine Micro USB OTG Card Reader - Connect your Micro SD Card to Mobile Perfect small gadget for your mobile. Connect your card reader with your mobile just like a pen drive...no need to open mobile !! USB 2.0 2 in 1 OTG TF card reader. Supports Micro SD, Micro SDHC, TF memory card. Compatible with USB version 2.0 and 1.1. Supports Windows 2000, ME, XP, Vista, 7, Linux, MAC 9.2 or later version. Compatible with Samsung Galaxy S3/ S4, Micro USB OTG smart phone, tablets and other Android Phones All in One Card Reader Support for computer and OTG mobile phone. Easy plug and play installation device. No external power needed. Supports Micro SD, SD T-Flash Card in Mobile and Computer. Transmission speed upto 480 Mbps and supports upto 32 GB Memory Cards.