SD card extension cable 1.Professinal Patent factory 2.Different design(SD-SD Cable;SD-TF Cable) ... is transfered datas. We have two patents(design patent number:201030223176.6 and new practical number: 200920205555.4),so we can provide ODM ... ; SD -SD Cable with small case; SD-TF Cable AoSheng patent SD card extension cable,SD card cable