Applicable equipment: all computer notebooks and TYPE-C interface OTG-enabled mobile phones (as long as your phone is TYPE-C interface, and supports the OTG function, you can use) Support for memory card formats: microSD / microSDHC / microSDXC (can support up to 2TB); 3.0UHS-I (Ultra High Speed); SDR12 / SDR25 / SDR50 / DDR50 / SDR104; USBA male + type-c combo designed for type-C / USB3.1 interface of the computer / tablet / mobile phone designed to support the positive and negative plug, you can achieve Type-C interface device external TF memory card, fast read, compact and lightweight , Plug and for play, convenient and practical Note: TYPE-C is also called USB3.1, does not support SD card Specifications: Color:Black, Gold,Pink Material: aluminum alloy Size :Length :4.1cm(1.61in) Width :2cm(0.79in) Interface Type: USB2.0 and TYPE-C dual interface Card type: support for mobile TF card, maximum support 128GB Transmission standard: USB2.0 standard speed Package includes: (Without retail package) 1 x Card Reader