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SmartQ C307 USB 3.0 Portable Card Reader for SD, SDHC, SDXC, MicroSD, MicroSDHC, MicroSDXC, with Advanced All-in-One Design

4.6 4.6 out of 5 stars 17,811 ratings
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Purchase options and add-ons

Brand SmartQ
Media Type microSDHC, microSD, SDHC, SDXC, SD Card
Connectivity Technology USB Type A
Special Feature Plug & Play
Color black

About this item

  • 2-in-1 Multifunctional Design: This SuperSpeed 2-Slot USB 3.0 Flash Memory Card Reader features a 2-in-1 design, supporting both SD cards and Micro SD cards. It’s a versatile card reader that can handle two major types of storage cards, including SDXC and MicroSDXC, making it ideal for use with GoPro and drones.
  • Wide Card Compatibility: This card reader is compatible with a variety of storage card types, including SDXC and MicroSDXC, which work for GoPro and drones, as well as SDHC, MMC, RS-MMC, Micro SD, Micro SDHC, and UHS-I cards. It caters to various storage needs and formats.
  • High-Speed USB 3.0 Interface: Equipped with a USB 3.0 interface, it ensures high-speed data transfer, allowing you to quickly read and write files on your storage cards. It's perfect for transferring files from Android devices using USB and MicroSD.
  • Portable Design: Its compact and portable design, complete with an attached cap, allows you to carry this all-in-one USB memory card reader with you wherever you go. It’s especially suitable for travel or mobile office use, providing convenient data management on the fly.
  • Easy to Use: This card reader is user-friendly. Simply insert the appropriate storage card, connect it to your computer, Mini USB for Windows, or other devices, and you can immediately access and transfer data without any complicated setup processes.

Additional Details

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CHOKING HAZARD -- WARNING: This product contains small magnets. Swallowed magnets can stick together across intestines causing serious infections and death. Seek immediate medical attention if magnets are swallowed or inhaled.

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Price$7.99$4.99$4.99$4.99$7.99$8.99
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Get it as soon as Tuesday, Feb 4
Get it as soon as Saturday, Feb 8
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Customer Ratings
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hardware interface
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operating system
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Product Description

SmartQ USB 3.0 SD / microsd Card Reader

Card Reader
sd usb
micro sd card reader

SmartQ Card reader comparison

sd card reader iphone 15

USB 3.0 Card Reader

2-IN-1 SD Card Reader

2-IN-1 SD Card Reader

SD Card Reader for iPhone/Android

SD Card Reader for iPhone

USB C  card Reader

USB C card Reader

sd card reader usb c

sd card reader usb c

micro sd card reader

micro sd card reader

usb c micro sd card reader

micro sd reader

Customer Reviews
4.6 out of 5 stars
33,610
4.5 out of 5 stars
409
4.4 out of 5 stars
5,813
4.5 out of 5 stars
4,969
4.4 out of 5 stars
5,813
4.6 out of 5 stars
33,610
4.4 out of 5 stars
5,813
Price
$14.99 $7.99 $12.99 $7.99
USB Type
USB C USB C & USB 3.0 Lightning & USB C USB C USB C & USB 3.0 USB 3.0 USB C & USB 3.0
Card Slot
SD / CF / Micro SD / MS card SD / Micro SD SD / Micro SD Micro SD SD / Micro SD SD / CF / Micro SD / MS card SD / Micro SD
Transfer Rate
5Gbps / UHS-I 5Gbps / UHS-I 5Gbps / UHS-I 5Gbps / UHS-I 5Gbps / UHS-I 5Gbps / UHS-I 5Gbps / UHS-I
Dimensions
2.78x1.67x0.59 inch 2.5x0.65x0.35inch 25.4x0.65x0.35 inch 1.35 x 0.87 x 0.3 inch 3.36x2.28x0.37inch 2.78x1.67x0.59 inch 25.4x0.65x0.35 inch
Material
Polycarbonate Polycarbonate Aluminum & Polycarbonate Zinc Alloy Aluminum & Polycarbonate Polycarbonate Aluminum & Polycarbonate

Product information

Technical Details

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Additional Information

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Product Warranty: For warranty information about this product, please click here

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SmartQ C307 USB 3.0 Portable Card Reader for SD, SDHC, SDXC, MicroSD, MicroSDHC, MicroSDXC, with Advanced All-in-One Design


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Customer reviews

4.6 out of 5 stars
17,811 global ratings

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Customers say

Customers find the memory card reader to be a good value for money. They find it easy to use and simple to set up, with no drivers or software needed. The device offers fast data transfer speeds that are suitable for quickly loading photo files and large documents. Many customers appreciate the compact size and USB compatibility. However, opinions vary regarding the overall quality and card readability.

AI-generated from the text of customer reviews

908 customers mention "Functionality"734 positive174 negative

Customers appreciate the memory card reader's functionality. They find it works well with their laptops, chips, and both SD and mini SD cards. The product performs as expected, is easy to use, and doesn't overheat.

"...-and-play, so no drivers or software are needed, and it works seamlessly with my laptop...." Read more

"...Value for Money Considering its robust performance, wide compatibility, and ease of use, the SmartQ C307 USB 3.0 Portable offers..." Read more

"...with a wide range of cards (SD, microSD, and more) makes it versatile...." Read more

"This works perfect and is fast to connect, the small size is ideal for travel. Feels fairly cheap, but great and functional for the price point." Read more

240 customers mention "Value for money"205 positive35 negative

Customers like the value for money of the memory card reader. They say it's good if you want something cheap and don't need to transfer files quickly.

"...Overall, it’s a reliable, fast, and affordable card reader that’s perfect for anyone who frequently works with different memory cards." Read more

"...Its affordable price point makes it accessible for a broad range of users, from professionals to casual users. Conclusion..." Read more

"...Feels fairly cheap, but great and functional for the price point." Read more

"This item works as intended. Very good!" Read more

234 customers mention "Ease of use"220 positive14 negative

Customers find the memory card reader easy to use. It's plug-and-play, so no drivers or software are needed. They say it works great and is a convenient device for photographers, videographers, and anyone.

"...It’s plug-and-play, so no drivers or software are needed, and it works seamlessly with my laptop...." Read more

"...This versatility makes it a convenient tool for photographers, videographers, and anyone who frequently works with different types of memory..." Read more

"...Highly convenient!" Read more

"This SD to flash drive adapter is a game-changer! It’s incredibly easy to use—simply insert your SD card, plug the adapter into your computer’s USB..." Read more

197 customers mention "Data transfer speed"170 positive27 negative

Customers appreciate the memory card reader's fast data transfer speeds. It loads photo files quickly, transfers large documents quickly, and connects quickly. The USB 3.0 interface allows for efficient data transfer between cards.

"...The USB 3.0 connection ensures fast transfer speeds, even with large files, and I’ve noticed a huge improvement in how quickly I can move data..." Read more

"...Equipped with USB 3.0 technology, the SmartQ C307 offers fast data transfer speeds, making it ideal for quickly transferring large files like photos..." Read more

"...C307 USB 3.0 portable card reader is a must-have for anyone needing quick and efficient data transfers...." Read more

"This works perfect and is fast to connect, the small size is ideal for travel. Feels fairly cheap, but great and functional for the price point." Read more

114 customers mention "Size"110 positive4 negative

Customers appreciate the memory card reader's compact size and portability. It works well, fits both mini and regular SD cards, and is large enough to prevent loss. The compact size makes it perfect for travel, and it can handle a variety of gigabytes from 16 GB to 1TB.

"...Despite its small size, it handles multiple card types, including SD, SDHC, SDXC, MicroSD, and more, making it versatile for any kind of media..." Read more

"...Design and Build Quality The SmartQ C307 boasts a sleek, compact design that makes it extremely portable and easy to carry around...." Read more

"...Compact and lightweight, it’s perfect for day-to-day travel and fits easily into any bag or pocket. Highly convenient!" Read more

"This works perfect and is fast to connect, the small size is ideal for travel. Feels fairly cheap, but great and functional for the price point." Read more

108 customers mention "Usb compatibility"84 positive24 negative

Customers appreciate the memory card reader's USB compatibility. It works with standard USB cards and SD cards, and it connects to tablets. The USB 3.0 connectivity is useful for large files, and the backward compatibility with USB 2.0 ensures it can be used with older devices.

"...The device is backward compatible with USB 2.0, ensuring it can be used with older computers and devices without any issues...." Read more

"...The card reader fits into my computer perfectly so it's very compatible with USB ports...." Read more

"...The wide range of supported memory card formats and USB 3.0 connectivity are significant advantages for those working with various devices and media..." Read more

"...The sliding mechanism is poorly done, and may expose the usb-A port to damage...." Read more

252 customers mention "Quality"127 positive125 negative

Customers have different views on the memory card reader's quality. Some find it reliable and easy to use, while others report issues like plastic parts breaking or failing after a short period of use. While some customers feel the product is reasonably priced, others mention issues like the reader failing within a year or less.

"...Overall, it’s a reliable, fast, and affordable card reader that’s perfect for anyone who frequently works with different memory cards." Read more

"...Feels fairly cheap, but great and functional for the price point." Read more

"...In summary, the SmartQ C307 USB 3.0 Portable is a reliable and efficient card reader that delivers on all fronts...." Read more

"...The plastic housing felt somewhat flimsy, and I was concerned that it might not withstand rough handling or repeated use over time...." Read more

119 customers mention "Card readability"81 positive38 negative

Customers have mixed opinions about the memory card reader's readability. Some find it great for reading and writing SD cards, able to read a micro SD HC card at 90 MB/s and write at 20 MB/s. Others report issues with it reading micro SD cards, while regular SD cards work perfectly.

"...The all-in-one design is convenient, as it allows me to switch between cards without constantly plugging and unplugging different devices...." Read more

"...Its fast data transfer speeds, wide compatibility, and user-friendly design make it an excellent choice for anyone in need of a portable and..." Read more

"...Additionally, the card reader's performance varied across different devices and operating systems...." Read more

"...It’s incredibly easy to use—simply insert your SD card, plug the adapter into your computer’s USB port, and you’re ready to transfer files...." Read more

Works as described.
5 out of 5 stars
Works as described.
Nifty little device. I had a similar micro USB adaptor but it seems to have gone missing. I ordered this to troubleshoot my mircoSD which was not being recognized by my phone. I was able to use this adaptor and check the drive on my PC to find the problem. 5 out of 5 would recommend.
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Top reviews from the United States

  • Reviewed in the United States on September 19, 2024
    Size: SingleVerified Purchase
    The SmartQ C307 USB 3.0 Portable Card Reader is a fantastic little device! It’s incredibly compact and lightweight, making it easy to carry around in my bag or pocket. Despite its small size, it handles multiple card types, including SD, SDHC, SDXC, MicroSD, and more, making it versatile for any kind of media storage.

    The USB 3.0 connection ensures fast transfer speeds, even with large files, and I’ve noticed a huge improvement in how quickly I can move data compared to older USB 2.0 readers. The all-in-one design is convenient, as it allows me to switch between cards without constantly plugging and unplugging different devices.

    It’s plug-and-play, so no drivers or software are needed, and it works seamlessly with my laptop. Overall, it’s a reliable, fast, and affordable card reader that’s perfect for anyone who frequently works with different memory cards.
  • Reviewed in the United States on August 8, 2024
    Size: SingleVerified Purchase
    The SmartQ C307 USB 3.0 Portable is a highly functional and efficient device that stands out in the realm of portable card readers. Here’s an in-depth review:

    Design and Build Quality

    The SmartQ C307 boasts a sleek, compact design that makes it extremely portable and easy to carry around. Its sturdy construction ensures durability, so it can withstand regular use and travel. The matte finish not only enhances its aesthetic appeal but also prevents fingerprints and smudges.

    Performance

    Equipped with USB 3.0 technology, the SmartQ C307 offers fast data transfer speeds, making it ideal for quickly transferring large files like photos, videos, and documents. The device is backward compatible with USB 2.0, ensuring it can be used with older computers and devices without any issues.

    Compatibility

    This portable card reader is compatible with a wide range of memory card formats, including SD, microSD, SDHC, SDXC, and more. This versatility makes it a convenient tool for photographers, videographers, and anyone who frequently works with different types of memory cards.

    Ease of Use

    The SmartQ C307 is a plug-and-play device, meaning no additional software or drivers are needed. Simply connect it to your computer’s USB port, insert your memory card, and you’re ready to go. The LED indicator light provides a clear indication of the device’s status, ensuring you know when your files are being transferred.

    Value for Money

    Considering its robust performance, wide compatibility, and ease of use, the SmartQ C307 USB 3.0 Portable offers excellent value for money. Its affordable price point makes it accessible for a broad range of users, from professionals to casual users.

    Conclusion

    In summary, the SmartQ C307 USB 3.0 Portable is a reliable and efficient card reader that delivers on all fronts. Its fast data transfer speeds, wide compatibility, and user-friendly design make it an excellent choice for anyone in need of a portable and versatile card reader. Whether you’re a professional needing to quickly transfer large media files or a casual user looking for a convenient way to access your memory cards, the SmartQ C307 is a solid investment.
    3 people found this helpful
    Report
  • Reviewed in the United States on December 15, 2024
    Size: SingleVerified Purchase
    The SmartQ C307 USB 3.0 portable card reader is a must-have for anyone needing quick and efficient data transfers. Its high-quality build ensures durability, while its compatibility with a wide range of cards (SD, microSD, and more) makes it versatile. Compact and lightweight, it’s perfect for day-to-day travel and fits easily into any bag or pocket. Highly convenient!
  • Reviewed in the United States on September 19, 2024
    Size: SingleVerified Purchase
    This works perfect and is fast to connect, the small size is ideal for travel. Feels fairly cheap, but great and functional for the price point.
  • Reviewed in the United States on December 31, 2024
    Size: SingleVerified Purchase
    This item works as intended. Very good!
  • Reviewed in the United States on January 6, 2025
    Size: SingleVerified Purchase
    Good quality, speeds are good. Cards fit nice. Great to have.
  • Reviewed in the United States on June 1, 2024
    Size: SingleVerified Purchase
    This SD to flash drive adapter is a game-changer! It’s incredibly easy to use—simply insert your SD card, plug the adapter into your computer’s USB port, and you’re ready to transfer files. The build quality is excellent, and the transfer speeds are impressive. I’ve used it to quickly back up photos and videos from my camera’s SD card, and it has worked flawlessly every time. The compact size makes it perfect for travel, and the price is very reasonable for the convenience it provides. I highly recommend this adapter to anyone in need of a reliable and easy-to-use solution for transferring files from an SD card to a flash drive!
    4 people found this helpful
    Report
  • Reviewed in the United States on October 1, 2024
    Size: SingleVerified Purchase
    It functions exactly as described. The card reader fits into my computer perfectly so it's very compatible with USB ports. The quality of the photos that it reads are excellent high quality and bright. It works fast. If I could change one thing it would be to have a cover for the USB end.

Top reviews from other countries

Translate all reviews to English
  • Amazon Customer
    5.0 out of 5 stars Works perfectly, very light, fast transfer, very satistied! The USB cover could be better, but ok!
    Reviewed in Canada on October 13, 2024
    Size: SingleVerified Purchase
    The media could not be loaded.
    +++ PROS : I have it for a month and it works perfectly, very light and portable for travel, very fast transfer, i am very satistied of this product.
    ---CONS : The USB cover could be better. Its very easy to open but hard to close (see the video). It can be open easily while you are carrying it, exposing the jack. this is fragile... It does not cover the jack completely so dust can enter in the jack (see photo) but in fact it can enter in the SD card slots, so you better store this card reader into a pouch or a compartment in your bag, if you are traveling like me and want to keep it clean and working for years.
    >>>This is not a big problem so for the small price i give it 5 stars !
    Customer image
    Amazon Customer
    5.0 out of 5 stars
    Works perfectly, very light, fast transfer, very satistied! The USB cover could be better, but ok!

    Reviewed in Canada on October 13, 2024
    +++ PROS : I have it for a month and it works perfectly, very light and portable for travel, very fast transfer, i am very satistied of this product.
    ---CONS : The USB cover could be better. Its very easy to open but hard to close (see the video). It can be open easily while you are carrying it, exposing the jack. this is fragile... It does not cover the jack completely so dust can enter in the jack (see photo) but in fact it can enter in the SD card slots, so you better store this card reader into a pouch or a compartment in your bag, if you are traveling like me and want to keep it clean and working for years.
    >>>This is not a big problem so for the small price i give it 5 stars !
    Images in this review
    Customer image
  • Arturo Carranco Bernal
    5.0 out of 5 stars Facil de usar
    Reviewed in Mexico on November 3, 2022
    Práctico
  • pologv4
    4.0 out of 5 stars si la arma
    Reviewed in Mexico on October 19, 2021
    Size: SingleVerified Purchase
    fácil de utilizar, bonito diseño.
  • Miguel
    5.0 out of 5 stars Manejo rápido y eficaz
    Reviewed in Spain on September 29, 2024
    Size: SingleVerified Purchase
    La entrega fué muy rápida. Funciona perfectamente como lector de tarjetas sd, lo conecto al PC mediante USB y lo utilizo para pasar fotos, videos y juegos de la Nintendo. Estoy muy contento con la compra, calidad precio insuperable. Aconsejo comprarlo
  • Cippi
    5.0 out of 5 stars Adattatore sd
    Reviewed in Italy on September 28, 2024
    Size: SingleVerified Purchase
    Ottimo! Veloce ad essere riconosciuto dal pc con le schede inserite!