ITEM NAME:Aluminum Alloy High Speed 3.0 Card Reader For Macbook Usb 3.1Type-C To 3.0S L6Q8 Aluminum Alloy High Speed 3.0 Card Reader For Macbook Usb 3.1Type-C To 3.0S L6Q8 Dual card slot design supports reading and writing SD(HC)/SD XCMMC/MicroSD.Standard 3.0 nine-core wire, The core is made of tin-plated oxygen-free copper and multi-layer shielded aluminum foil;3.It is made of original Skyworth GL3224 standard 3.0 chip. Support card class:SD(HC)/SD XC/MMC/MicroSD Product interface:high speed USB3.0/Type-C interface USB-C 3.0 2-in-1 Speed Card Reader Color:gold Material:aluminum alloy Size:4.5*4*1.4cm Package Contents: 1* card reader