1.4 in 1 Memory Card Reader?4in1 Card Reader which is Suitable for all your Devices, Light-ning/USB/Micro USB/Type-C.It's ideal for Data Transfer of PC/Tablets or Smartphones Compatible with OTG Function. SD Card Reader is very Convenient for Using at anytime and anywhere. the SD Card Viewer Supported I0S, Windows OS, Linux, Mac OS and Android. 2.One Reader for Multi Cards?SD Card Reader is Designed with 2 Card Slots : SD amp; Micro SD Card Reader. Support SD/TF Card up to 128G (Memory Cards are NOT Included).also Support SDXC, SDHC, SD, Micro SDXC, Micro SD, Micro SDHC (Trail/ SLR camera). USB High Speed Enables Data Transfer Rates of up to 5Gbps for Faster Sync times, Reading and Writing are Fast, Quickly Release Memory on your Phone. 3.Portable amp; Stable?Our Micro SD Card Reader Features a Compact Design that Makes it Easy to take with you wherever you go. nbsp; 4.Easy to Manage and Backup Your Files?Allows you to Manage all your data from/to/on Devices and Across Multiple Platforms (Create, Copy, Edit, Move, Delete, Rename, etc). All units are Portable,Playback Videos/Music Directly from External Memory without Occupying Space on Device.Easily Transfer the file you need between Different Devices. 5.High Speed Transmission?Fast Transfer of Photos and Videos Between Two Devices.Which Allows You to take only Few Seconds to Share Picture to Friend by Phone Whenever and Wherever. SD Card Reader Allow you to Easily Download the Photos and Videos from Digital Camera to your Phone, No Need Through The Computer, Direct to Save Photos on a Mobile Phone, So You Can View and Share with Families.