Features: Universal for mobile phone/computer, type-c +USB standard 3.0 card reader, TF/SD dual card slot, 3.0 high-speed transmission, multi-system compatibility Expand the memory of the phone and connect a memory card to solve the problem of insufficient memory. It is more convenient to watch movies.(for mobile phone supports OTG function) Frosted texture, the shell USES aviation aluminum alloy, not only light, the surface has been specially polished, the body has the texture and anti-slip Adopting particularly complex and strict testing standards, it can withstand 10,000 times of plug and pull, and has a long service life USB3.0 high-speed transmission, 5Gbps high-speed transmission rate, large file copy to memory card without waiting Specification: Function: type-c3.1/USB3.0 connector, SD/TF card port Joint: type - c/USB Purpose: card reader, SD/TF data transfer and reading, OTG Electrical power: 2W Power output: 500MA Support systems: Windows8.7, Vista, XP, for mac10.4.6 Weight: 29 g / 1 oz(approx.) Package list: 1 x Card reader 1、Universal for mobile phone/computer, type-c +USB standard 3.0 card reader, TF/SD dual card slot, 3.0 high-speed transmission, multi-system compatibility 2、 Expand the memory of the phone and connect a memory card to solve the problem of insufficient memory. It is more convenient to watch movies.(for mobile phone supports OTG function) 3、Frosted texture, the shell USES aviation aluminum alloy, not only light, the surface has been specially polished, the body has the texture and anti-slip 4、Adopting particularly complex and strict testing standards, it can withstand 10,000 times of plug and pull, and has a long service life 5、USB3.0 high-speed transmission, 5Gbps high-speed transmission rate, large file copy to memory card without waiting