MSR90 USB Swipe Magnetic Credit Card Reader. Deftun MSR90 Card Reader. MSR90 is a USB emulation keyboard interface that not need any driver software,USB simply plug and play，NO Software required ! USB Simply plug and play (Keyboard Emulation).
Discover the power and convenience of the MSR90, a top-of-the-line USB emulation keyboard interface designed for seamless operation without the need for any drivers or software. Simply plug and play!
Plug and Play: No drivers or software required—simply connect via USB for instant functionality. Experience seamless card reading with the MSR90, a state-of-the-art USB emulation keyboard interface designed for effortless use and reliability.