ONTEN OTN-CR531A 2-in-2 USB-C + USB 3.0 SD / TF Card Reader, UHS-I Up to 170MB/s, Simultaneous Dual-Slot OTG Reader, Aluminum Alloy + ABS

Expert Features

  • 2-in-2 Card Reader Design : Combines USB-C + USB 3.0 Type-A connectivity with SD + TF card-reading support in one compact portable reader.
  • Dual Card Compatibility : Supports both SD and TF (Micro SD) cards, with stated compatibility for SD, SDHC, TF, MMC, RS-MMC, and UHS-I card standards.
  • USB-C + USB-A Connectivity : Features both USB-C and USB 3.0 Type-A interfaces, making it suitable for a wider range of devices including phones, laptops, and computers.
  • High-Speed Data Transfer : Supports UHS-I transfer speeds up to 170 MB/s for fast reading and writing with compatible cards and devices.
  • Simultaneous Dual-Slot Usage : Both card slots can be used at the same time, allowing direct data copying between SD and TF cards.
  • OTG-Friendly Multi-Device Use : Designed as an OTG phone memory card reader, making it practical for direct use with compatible smartphones and tablets.
  • Compact Portable Form Factor : Small body size of 73.6 × 24.6 × 10 mm makes it easy to carry in a pocket, pouch, laptop bag, or camera kit.
  • Protective Dual Caps : The supplied product image shows protective end caps that help shield both connector ends when not in use.
  • Aluminum Alloy + ABS Construction : Uses a combination of aluminum alloy and ABS plastic for a practical balance of durability and light weight.
  • Simple Everyday Media Transfer Tool : Suitable for moving photos, videos, files, and documents between memory cards and supported phones or computers.

Expert Specs

Specification Details
Brand ONTEN
Model OTN-CR531A / CR531A
Product Type Multifunctional USB-C / USB 3.0 SD + TF Card Reader
Connectivity Interfaces USB-C + USB 3.0 Type-A
Card Slots SD + TF
Supported Card Types SD, SDHC, TF, MMC, RS-MMC, UHS-I
Simultaneous Slot Use Yes
Maximum Transfer Speed Up to 170 MB/s
Transfer Standard Mentioned UHS-I
Function OTG phone memory card reader
Product Dimensions 73.6 × 24.6 × 10 mm
Material Aluminum alloy + ABS plastic
Packaging Type Colored Box
Package Included 1 × Card Reader, 1 × English User Manual
Gross Weight 0.095 kg
Volume Weight 0.024 kg
One Package Size 15.00 × 5.00 × 1.45 cm
Qty per Carton 258
Carton Size 59.00 × 40.00 × 34.00 cm

Features & Compatibility

OTN-CR531A
ONTEN 2 IN 2 USB3.0 A+C TO SD+TF CARD READER