Lexar microSD RW330 Reader USB 3.2 Specifications Interface USB 3.2 Gen 1 Speed Up to 170MB/s1 Operating Temperature 0 °C to 40 °C (32 °F to 104 °F) Storage Temperature -10 °C to 50 °C (14 °F to 122 °F) Dimension (L x W x H) 23.32 x 38.19 x 9.45 mm / 0.92' x 1.5' x 0.37' Weight 5 g / 0.011 lbs Warranty Two-year limited warranty System Supported Mac® OS X 10.8+ Windows® 10/8/7/Vista/XP USB 2.0+ port Supported card formats microSD™，microSDHC™，microSDXC™，和microSD™ UHS Quickly transfer with USB 3.2 Gen 1 speed Lexar® microSD™ Card USB 3.2 Reader leverages USB 3.2 technology for fast transfers, with read/write speeds up to 170MB/s1 that allows you to quickly and easily transfer your favorite contents from your mobile phone, action camera or drone so you don’t have to wait to get back to do what you love. Move content up to 10x faster Leveraging USB 3.2 Gen 1 technology, you can now move content up to 10x faster than USB 2.0 readers. Versatile reader to support multiple formats Lexar® microSD™ Card USB 3.2 Reader is a versatile card reader that supports microSD™, microSDHC™, microSDXC™, and microSD™ UHS-I memory card formats to suit your needs. Compact and portable design with push-to-play slot With an elegant, stylish and minimalist design that echoes the rest of the Lexar reader family, this reader is compact, portable for ease of use even on the go. Also, it is designed with a push-to-play slot, simply press in to insert your card and push to retrieve for added convenience. Lexar Quality Labs logo shield Rigorously Tested All Lexar products undergo extensive testing in the Lexar Quality Labs, facilities with thousands of different cameras and digital devices to ensure performance, quality, compatibility, and reliability.