​Features: Designed with a USB 3.1 interface the 2-in-1 card reader is also compatible with USB 2.0 ports. In addition, it features a Type-C connector to directly connect to the latest Android devices. nCARD, NM Card, micro SD Compatible The 2-in-1 USB 3.1 Reader offers transfer speeds of up to 90MB/s for nCARD and 170MB/s for microSD. It's also backward compatible with UHS-I, significantly improving your workflow. Dual USB Type C/A connectors Compact and portable design Specifications: Supported card formats: nCARD, NM Card, microSD, microSDHC, microSDXC Interface: USB 3.1 Type-C Operating Temperature: 0 - 50°C / 32 - 122°F Storage Temperature: -20 - 60°C / -4 - 140°F Dimension (LxWxH): 33.8 x 9.8 x 61 mm / 1.331” x 0.386” x 2.402” Weight: 17.9 g / 0.039 lbs System Supported: for Mac OS 10.8, for Windows 10/8/7/Vista/XP; for Android 6.0+ USB 2.0 port micro SD Transmission rate: 170MB/s ncard(nm card) Transmission rate: 90MB/s Package includes: 1* Card Reader 1* Tool