Promotional Good Quality Dual Slots Memory Usb Card Reader with CE FCC 2-in-1 USB 3.0 SD/TF Card Reader

5Gbps Data Transfer
Read & Write 2 Cards Simultaneously
Plug & Play
  • CR303

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 Promotional Good Quality Dual Slots Memory Usb Card Reader with CE FCC 2-in-1 USB 3.0 SD/TF Card Reader

Model numberCR303
Card slotSD Slot: UHS-I SDXC / SDHC / SD / Extreme I III SD / Ultra II SD / MMC / RS-MMC / MMC Micro

Micro SD (TF) Slot: UHS-I Micro SD / TF / Micro SDXC / Micro SDHC
Card slotAll in 1
Compatible versionUB3.0/2.0/1.1/1.0
Rate voltageDC5V
Rated current900mA
Power consumption4.5
CertificationCE (LVD&EMC), FCC, RoHS, etc

Portable On-The-Go 

Compact and lightweight design makes this Micro SD Card Reader easy to store even in your pocket. 

A cap protects the USB connection against dust, knock or bump. 

The keychain design makes this USB Card Reader easy to take with you wherever you go and never need to worry about loss. 

System Requirements  

*Windows 8, 7, Vista, XP  

*Mac OS 9 and above  

*Linux: Modern kernel 2.x & 3.x based distributions with USB Mass storage support  

*Android compatibility varies by device and is limited to devices running 4.0 and later devices with support for USB Mass Storage.


  • 2 Media Slots- SD/MMC . Support SDXC up to 2TB, MMC, RS-MMC, Micro SDXC, Micro Card, and UHS-I Cards.

  • Build-in Card Cover Design: It allow you store the cards inside the memory card reader, and don't need to worry about losing the cards.

  • Plug and play; Hot swapping; USB power (no external power or battery); Supper speed USB 3.0 and backward compatible with 2.0/1.1.

  • Auto detect memory card; Support SDXC up to 2TB, SD V3.0, UHS-I standard, latest Micro SDXC and MMC 4.4.Multi memory card readerUSB 3.0 Card reader2 in 1 card reader

  • Allkei ugreen 2 cards reader and writer2 in 1 usb 3.0 sd tf card readerSD&TF card readerPortable 2 in 1 card reader

About Allkei

Allkei is a professional manufacturer for computer accessories, consumer electronics etc.

Allkei is engaged primarily in providing the most innovated, convenient and high value products for each individual customer.

Allkei prides ourselves on solving our customers problems by supplying only the highest quality products through our strict QC management.

Allkei strives to make every part of the customer experience as simple and as pleasant as possible.


 1.What is your main product?

 A: our main product is USB Hub , docking station ,  card reader , car charger etc PC & USB electronic products

 2. what is your payment term?

 A :T/T, PAYPAL,  Trade Assurance, Credit Card,  Western Union,  etc. you have any certificate about your product ?

 A : Yes , our all product have CE , FCC , Rosh certificate

 4.How can I get sample?

 A: Sample is available in stock 

 5. I want to print my logo in product is ok ?

 A: yes , OEM is welcome

Product Inquiry

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Mobile: +86-133-7866-1534
Add:F2 Block D, Haitaiyang Indutrial Park, Longgang District, Shenzhen, China
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