Exquisite design, mini size. Thumb cover body size, no space, light and portable. Expand the mobile phone memory, portable storage, and directly read and copy files. It's also good to connect a card reader and watch 4K movies online. Solve the difficulty of transferring card devices to mobile phones, and read videos / documents and pictures with one click. Watch videos anytime, anywhere, novice road, traffic accidents, worry free travel at night. Features: it is specially designed for computers / tablets / mobile phones with type-C / micro and usb3.1 interfaces. It supports positive and negative plug-in, and can realize the external TF memory card of type-C and micro interface devices. It is fast reading, compact and lightweight, plug and play, convenient and practical Specifications: Product Name: card reader Material: zinc alloy Color: black, silver, rose gold Size: 23x28mm Interface: type C, micro to TF Memory card supported: TF Installation method: external Packing list: 1 * card reader 1 * hanging chain