OTG Card Readers

Smart Reader RDP9

Transcend's RDP9 Smart Reader makes it easy to quickly manage and share any digital files between your SD/microSD memory cards or USB flash drives and your Android smartphone or tablet. With the convenient Transcend Elite app, it takes just a few taps to backup and share files.

USB On-The-Go

Through a micro USB connection, Transcend's RDP9 Smart Reader connects to your Android phone or tablet that supports USB On-The-Go (USB OTG). Simply plug it in and you're good to go.

USB 2.0 port plus double card slots

The RDP9 has a built-in USB port, so feel free to connect accessories, such as mouse and keyboard, to your mobile devices. The equipped SD card slot supports UHS-I SDXC and SDHC memory cards, and the microSD card slot solves your capacity limit problem by expanding your storage capacity.

Note: The reader does not support simultaneous insertion of SD and microSD cards.

Fits in your pocket

With two memory card slots plus a USB port, Transcend's RDP9 Smart Reader still fits into an ultra-portable and pocket-sized design, ideal for travel and business trip.

Transcend Elite app for Android

The Transcend Elite app is designed to work with Transcend's JetFlash USB OTG flash drives, OTG card readers, and ESD portable SSDs on Android devices. Download it from Google Play to easily explore, manage, encrypt, back up, and share all your important files on the go!



Dimensions40.8 mm x 40.8 mm x 10.4 mm (1.61" x 1.61" x 0.41")
Weight17 g (0.60 oz)
  • Black


USB Type
  • micro USB
Connection Interface
  • USB 2.0


Card Reader Slot(s)
  • SD
  • microSD
  • USB

Operating Environment

Operating Temperature0°C (32°F) ~ 70°C (158°F)
  • Please make sure that your device supports USB OTG function before purchasing.
  • Simultaneous insertion of two cards not supported.


  • CE
  • FCC
  • BSMI
  • KC
  • RCM
  • EAC
  • Two-year Limited Warranty
Warranty Policy
  • Please click here for more information about the Transcend Warranty Policy.


Memory Card Supported
  • SDHC (UHS-I)
  • SDXC (UHS-I)
  • microSDHC (UHS-I)
  • microSDXC (UHS-I)
  • This card reader will work with UHS-II cards, but only operates at UHS-I speeds.


Editor's choice


Easy To Use


Order Information

  • TS-RDP9K

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