1:Using 3.0 card reader chip, theoretical speed of 5Gbps 2:Support SD+TF+CF+MS Card·5Gbps Fast Speed· Plug & Play 3: Support hot plug and play, plug and play, blue workingindicator licht 4:Suppon DHC/SDXC/MMC/Micr SD/TF/MS/CF multicardsingle reading and USB3.0 Female/Type-c Female 5:Support win7/8/10/1 for Mac 0S x 10.2.8 /0310-17 Android The USB3.0 interface of 8 in 1 multifunctional card reader is a USB3.0 OTG, and the transmission speed is affected by the hardware interface used. The USB3.0 transmission speed requires that all hardware used (such as computer USB interface/ flash drive interface/card reader, etc.) meets the USB3.0 interface requirements. Otherwise, the transmission rate can only reach 2.0. Therefore, if the transmission does not reach USB3.0, please check if all the hardware used meets the USB3.0 requirements. Color: Black Material: ABS Package Contents: 1 * Card Reader