Compact Design: 2.17*2.68*0.59 inches(L*W*H) / 1.7 ft cable, carry it anywhere. UGREEN USB 3.0 SD Card Reader is a great addition for workers on the go. Easy to Use: Perfectly compatible with Windows, Mac OS, Linux, Chrome OS. The Micro SD Card Reader is plug and play ready: convenient to use with a laptop or home computer. Simultaneous Work: UGREEN USB SD Card Reader supports reading and writing 4 different memory cards at the same time, eliminating the need to plug and unplug different cards. 2TB cards also supported. No More Waiting: USB 3.0 device port reaches up to 5Gbps in transmission rate; transfer large files in mere seconds. All in One: Designed with SD/Micro SD/CF/MS slots, UGREEN SD Card Reader supports most standard memory cards, including SD/SDXC/SDHC/Micro SD(TF)/Micro SDXC/Micro SDHC/UHS-I/Compact Flash/Memory Stick.