Lexar USB-C™ Dual-Slot Reader Specifications Interface USB 3.2 Gen 1 Transfer Speed Up to 312MB/s1 (UHS-II) Up to 170MB/s2 (UHS-I) 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 (W x L x H) 41.4 x 135 x 10.6 mm / 1.63' x 5.31' x 0.42' (with cable) Weight 25 g / 0.055 lbs Warranty Two-year limited warranty System Supported Mac® OS X 10.8+ Windows® 10/8/7/Vista/XP USB-C port Accessory Built-in USB Type-C cable Expedite your workflow with fast transfer speeds To speed up your workflow, the Lexar® Professional USB-C™ Dual-Slot Reader works with SD™ and microSD™ UHS-II cards and offers creatives fast transfer speeds up to 312MB/s1 read. For added convenience, it is backwards compatible with UHS-I cards and has a USB-C™ connector to work with USB-C™ computers. Made for USB-C™ computers The Lexar® Professional USB-C™ Dual-Slot Reader features a USB-C™ connector which is reversible for convenient plug-and-play functionality making it perfect for USB-C™ computers. Compatible with USB 3.1 and 2.0 ports Designed with a USB 3.2 Gen1 interface, the Lexar® Professional USB-C™ Dual-Slot Reader is also backwards compatible with USB 3.1 and 2.0 ports. LED activity light The USB-C™ Dual-Slot Reader is designed with a LED activity light so you know when your transfers are complete. Compact design For photographers and videographers on the go, the Lexar® Professional USB-C™ Dual-Slot Reader is small and compact so you can slip it in your pocket and go.