... ,CF,XD,MicroSD/T-F. 2.Backwardly compatible with USB 2.0/1.1 USB 3.0Card Reader1.6 slots all in one ... ,MS,M2,CF,XD,MicroSD/T-F 2. Backwardly compatible with USB 2.0/1.1 3.Supports The Following Speed Data ... Rate:Low-speed (1.5Mbps), full-speed(12Mbps), high-speed (480 -Mbps), superspeed(5 Gbps)package:product size: 8.6*5 ... Qt/Carton:50 pcs N.W: 7KG G.W: 8KG USB 3.0Card Reader