Micro USB OTG to USB 3.0 Adapter, Rocketek SD/Micro SD Card Reader with Standard USB

Model NO.: RT-CR9

  • IDEAL OPTION as latest features combined ie. OTG feature and Micro SD/SD SDHC Card reader | 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 mobile device
  • USB 3.0 & MICRO USB combination - Making the card reader compatible with all tablets and Android smartphones that support OTG function.
  • LOCK THE MIRCO SD CARD: It allow you store the mirco card inside the slot, and don't need to worry about losing the cards.
  • PLUG & PLAY on Windows 2000/XP/Vista/7/8/8.1/10(32/64-bit), Mac OS X 10.x and Android 4.0/above update - Plug the card reader in and begin to use | Connection Kit For Samsung Galaxy S5 S3 S4 Note 4 Note 3 Note2 MHL to HDMI USB 2 Host
  • Free lifetime technical support and 24-month manufacturer's warranty.


ROCKETEK- Easy Your Life Without Delay 
Rocketek RT-CR9 SuperSpeed USB 3.0 Card Reader with OTG funtion base on Easy portability design, with build-in SD and Mirco SD card slot, it is able to store the mirco SD card inside the memory card reader, and don't need to worry about losing the cards. 

* Interface: Micro USB and USB 3.0 connectors. 1x SD/MMC slot, 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 andriod mobile decives with OTG function. 

Compatible Device (list is not comprehensive):
Samsung Galaxy S6/S6E(+)/Alpha
Samsung Galaxy S5 only
Samsung Galaxy S4 only
Not For Samsung Galaxy S3/S5 mini/S4 mini

Samsung Galaxy Note 5,4,3,2
Samsung Galaxy Note Edge
Samsung Galaxy Note Pro
Samsung Galaxy Note 10.1 from 2014 onwards
Samsung Galaxy Note 8.0 from 2014 onwards
Samsung Galaxy Tab pro
Samsung Galaxy Tab S/S2
Samsung Galaxy Tab 3 10.1, 8.0 (NOT FOR 7.0)
Samsung Galaxy Tab 4 10.1 (NOT FOR 7.0)

Google Nexus 5/6/7/9/10 with help of third-party app such as 'nexus USB OTG file manager, ES file explorer, Nexus media importer'. Not For Nexus 7 2013 edition

Not For HTC one M9/M8
LG G4/3/2/1, G Pro 1/2
Not For Moto G
Not For Hudl 1/2

Not For Amazon Kindle & Fire tablets*

Host/OTG compatible smartphones and tablets with Android operating system as of Android 4.0 and a micro USB interface

NOTE: Never use both connections simultaneously