Kupx Micro Usb And Usb 2.0 Card Reader 2 In 1 Android Otg And Usb 2.0 Card Reader For Micro Sd Card Micro Sdhc,Micro Usb Otg Adapter For Android White PAY ATTENTION: YOUR ANDROID DEVICE MUST SUPPORT OTG FUNCTION. Can not use on any devices without otg function 2 IN 1, 1 head for android devices with otg function ,one head for usb a 2.0. CREATIVE MICRO SD CARD PORT,the micro sd card need to insert into the usb a port, make the reader beautiful and simple,easy to take. FOR MICRO USB OTG SMART PHONE,support micro sd,micro sdhc,compliant with usb version 2.0 and usb 1.1 PLUG-AND-PLAY,usb bus power supply,needn't additional power,usb port support windows2000,windows me,windows xp,visa,windows7,8,mac 9.2 or later version