[ULTRA FAST DATA TRANSFER] - USB 3.0 brings you fast and reliable 5Gbps photo, video transfer from camera to laptop, reducing transfer time and improving your work efficiency. Backward compatible with USB 2.0 & 1.1. [READ & WRITE SIMULTANEOUSLY] - uni USB to SD Card Adapter can read and write 2 cards at the same time, transfer your materials without transit and re-insert. Ideal for photographers, and media professionals. [COMPACT DESIGN] - Easy to insert and remove your cards with the spring loaded mechanism. The extra braided nylon cable is device friendly with a compact interface design. Will never interfere with other accessories. The aluminum case has better heat dissipation and higher durability, prolonging the product life well. [PLUG & PLAY] - No additional software or driver required, also fully powered by your USB port, no additional power supply needed. Driver free, use it on your Windows, macOS, Chrome OS, Linux laptops / PCs. [UNIVERSAL COMPATIBILITY] - The SD