Cable Matters Nano 2-in-1 microSD Card Reader with OTG Compact 1.5 adapter adds up to 32GB of extra storage to your OTG Smartphone or Tablet Transfer music, video, pictures and documents to devices that support On-The-Go Technology Ideal solution for Android smartphones or tablets with OTG but without an SD memory card slot Compatible with PC or Mac computers and supports USB 2.0 transfer rate up to 480 Mbps Includes Cable Matters Limited One-Year Warranty and Product Support