High Speed 2.0 Multi Function Micro USB MicroSD OTG Card Reader AdapterEasy to transfer files between your TF Card to mobile phone or your PC.Features:Brand new and high quality USB 2.0 High Speed Data Transfer Pls be sure your phone Support OTG functionPlug and Play，with a small keyrain，easy to take anywhereAlso can be a headset dust plugAndriod system devices universal Support:Windows 98SE/2000/XP/Vista/7 or MAC OS X/9/OS.Size: about 37 x 16 x 4mmQuantity:1pcsRetail package:NOTF Card/Phones: Not includedPackage includes:1�� Card Reader Adapter 1x 3.5mm Dustproof Plug