brand new and high qualityType C USB 3.1 connector with 2 media slots-SD/MMC+Micro SD,support SDXC up to 2TB,SDHC,SD,for MMC,RS-MMC,Micro SDXC,Micro SD,Micro SDHC Card,and UHS-I CardsUSB 3.0 card reader sync at speed up to 5Gbps,backward for USB 2.0/1.1.The actual transfer rates for depend on specific devicesUSB-IF cetification for chipPlug & for play and hot swapping,no extermal power supply required USB Bus powered.draw power directly from type c deviceLatest style USB3.0 TYPE C connector,works with the latest computers and for smart devices,support for apple the new for macbook 12 inch,chromebook pixel, for microsoft surface pro ,lumia950,lennove yoga and more with USB-C portProduct Size:(L*for W*H) 15.50*3.20*1.30cm/6.10"*1.26"*0.51" (Approx.)Quantity:1Set