Features: 1.Dual Interface: This card reader writer supports both micro USB and USB interfaces, which can be used to connect different types of devices, such as cell phones, tablets, laptops, etc. 2.Large Capacity Storage: Equipped with Storage Card and micro Storage Card slot, you can easily read and write a large number of photos, music, videos, etc, to expand the storage capacity of your device. 3.OTG Function: This Storage Card reader is equipped with USB OTG function, you can read data from USB devices directly on your cell phone, convenient and fast. 4.Plug And Play: Simply insert the Storage Card into the corresponding slot and connect card reader to the micro USB or USB port of the device to quickly read and write data without installing drivers. 5.Compatible System: The memory card reader supports most for Android phones and tablets, as well as for Windows operating systems, providing more compatibility options. specification:Item Type: Card Reader Material: ABS Interface: Micro USB, USB Card Slots: Storage Card Slot, Micro Storage Card Slot Compatible Devices: Computer, Phone PackageList:1 xCardReader 2 x Lids