Specifications: Mini size and lightweight, with keychain, easy to carry. Fine workmanship, high speed and stable performance. Micro-USB and Type-C interface for choice. Item Name: Type-C Card Reader Interface: Type-C 3.1 Interface, USB2.0 Interface Material: Zinc Alloy + ABS Support Card Type: TF Card (Micro-SD), Supports Memory Card within 128G Product Compatibility: Support USB Protocol, Type-C Interface Device (Supports OTG Function) Size: 2cm x 1.8cm x 1cm/0.79" x 0.71" x 0.39" (Approx.) Item Name: Micro-USB Card Reader Interface: for Android 3.1 Interface, USB2.0 Interface Material: Zinc Alloy + ABS Support Card Type: TF Card (Micro-SD), Supports Memory Card within 128G Product Compatibility: Support USB Protocol, Micro-USB Interface Device (Supports OTG Function) Size: 2cm x 1.8cm x 1cm/0.79" x 0.71" x 0.39" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Card Reader