The UGREEN USB 3.0 Multifunction Card Reader (Model 60722) is a compact dual-slot adapter that lets you read and write SD and microSD cards simultaneously at speeds up to 5 Gbps . UGREEN SD Card Reader, 5Gbps High-Speed Dual Slot USB 3.0 Memory Card Reader Adapter for SD SDXC SDHC MMC RS-MMC Micro SD TF Micro SDXC Micro SDHC UHS-I for Mac, Windows, Linux, Chromebook, PS4, etc