Features: Expand your card slot with this memory card kit, allowing you to connect your card externally for easy access. Suitable for various card slot such as card reader, 3D printers, cameras, etc Supports inserting TFandSD cards Two slot test, only one memory card can be inserted 1 each time used Suitable for factory equipment testing and electronic product testing It can also protect the interfaces of your memory card Specifications: Item: Two Slot Test Card Feature: Two Slot Test Card Converter SIze:about 6.8x3.3x2cm/2.68x1.3x0.79in Package Includes: 1PC Test Card Converter note: Due to the problemsof lighting effects and shootingangles, there will be tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.