2-in-1 Card ReaderCHOETECH 2-in-1 USB C car reader is a great solution for photographers or anyone else who works with different card formats in need of a single device to read them all.Card CompatibilitySupports Micro SD, Micro SDHC, Micro SDXC, SD, SDHC, SDXC cards, including those carrying the UHS-I designation (supported in UHS-I mode up to 104 MB/s).SuperSpeed SyncEquipped with a SuperSpeed USB 3.1 Gen 1 (USB 3.0) interface for fast data transfer. Small & Portable DesignWith its small footprint, you can put it in your bag or even pocket and go.SpecificationCard Slots: Micro SD; SDOS Required: Windows 7/8/8.1, Mac OS 10-10.12.1Notes: 1. The card reader does Not support multiple cards to read data at the same time.2. Data transfer rates are subject to the speed of the memory card with the USB C card reader.