4 In 1 Mini USB OTG To USB 2.0 Adapter Micro SD Card Reader For Phone Pad DESCRIPTION: Fast transfer rate for reliable copy/download/backup. 4 in 1 USB Micro SD/SDXC TF memory card reader. High speed USB interface. Small and compact design, easy to carry. The card reader transfer speed will consider your memory cards speed. FEATURES: Interface: Type – C USB, Micro USB , Lightening and USB 2.0 connectors. 1x Micro SD/TF Slot Support SD, SDHC, SDXC up to 64GB. Support memory card with FAT 32 file system. Not compatible with NTFS & exFAT formats. Compatible with Micro USB android mobile devices with OTG function. Colours: Black, White Connectivity: Laptop, PC, Phone, Tablet, etc. COMPATIBLE DEVICES: All OTG Compatible Mobiles can Support this Adapter Device. Working Current:<15mA Not for Simple Phones (Only for Smartphones) This kit does not support Amazon Kindle Fire tablets Host/OTG compatible smartphones and tablets with an Android operating system as of Android 4.0 and a micro USB interface NOTE: Never use both connections simultaneously! PLEASE NOTE: Please make sure your device features Type – C or Micro USB port and supports USB OTG function before purchase. Allows being used as USB 2.0 SD/microSD card reader for direct data exchange between memory cards and PCs, notebooks, ultrabooks, smartphones and tablets. The standard USB 2.0 plug (type A) and micro USB plug (type B) combination, making the card reader compatible with all tablets and Android smartphones that support OTG function. Compact card reader for all standard SDHC/SDXC and micro SD/micro SDHC/micro SDXC. ****Does NOT support memory cards over 64GB because of limited current provided by a mobile device. No drivers required for Windows 2000/XP/Vista/7/8/8.1/10(32/64-bit), Mac OS X 10.x and Android 4.0/above update. Just plug the card reader in to use it.