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Product Details

Capacity:8GB, 16GB, 32GB, 64GB, 128GB
Dimensions:33.0 x 12.3 x 8.1 mm
Weight:3.3 g
Material:Metal / Plastic
Color:Silver / Black
InterfaceUSB 3.1 Gen1 / USB 3.0, USB 2.0 compatible / micro-USB (Charging is not supported)
Supported OS:PC- Windows 10/8.1/8/7/Vista/XP, Mac OS 10.3.x or later, Linux 2.6.x or later
Mobile device-: Android 4.1.X* or later / Windows phone 8* or later
(*For mobile devices that support OTG functions)
Operating Temperature:0° C ~ 70° C
Certification:CE/FCC/BSMI/Green dot/WEEE/RoHS/KCC
Warranty:Lifetime warranty

1. Please check if your mobile device supports OTG function before use.
2. The specification of MicroUSB connector varies across different brands, so it is normal that the connector might be a tight fit the first few times used.
3. Please remove your phone case before use for better connectivity.
4. Please do not connect the dual-connector device with smartphone device and PC at the same time.


  • Support instant memory expansion and data transmission between Android™ Smart Handheld Devices (microUSB) and PCs (USB)
  • 360° swivel-cap design for easier operation without worries about cap loss
  • COB (Chip On Board) technology for water, dust and vibration protection
  • Mini and lightweight, easy to carry and store
  • Exclusive free-download file management App-SP File Explorer
  • Recuva File Recovery, allowing recovery of erased files, such as digital photos, documents, music and videos
  • Free-download SP Widget software provides powerful functions such as data backup & restore, AES 256-bit encryption, and cloud storage for efficient data management

USB + microUSB dual interfaces for cross-device data transmission

Engineered with dual interfaces of a micro-USB and a USB 3.0 connector the X31 enables users to copy and transfer files among various Android™ mobile devices and PCs. Without the constraints of weak internet signals and many kinds of cables and adapters, it promises easier, faster and more stable data transmission than mobile internet, Wi-Fi and Bluetooth do.

Instant Memory Expansion for your mobile devices

Is your mobile device running out of memory? And you really do not want to delete any of your photos or videos? The X31 is about to fix all the problems to achieve real in-time memory expansion for your mobile devices. By easy plug-and-store operation, users can get rid of limited capacity and save more precious memories.

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