Features: 100% Brand new and high quality Standard micro USB 2.0 interface Work as a USB disk driver For your smart phone and PAD Support micro SD/T-Flash series No driver needed for Android Support function with read, write, copy and save Dimensions: 5.50*2.00*0.70cm (L*W*H)... Features: 100% Brand new and high quality Standard micro USB 2.0 interface Work as a USB disk driver For your smart phone and PAD Support micro SD/T-Flash series No driver needed for Android Support function with read, write, copy and save Dimensions: 5.50*2.00*0.70cm (L*W*H) USB plug: USB 2.0 Color: Gold Use instructions: Put the micro SD into the card slot Insert the micro USB into the smart phone or PAD Insert the USB into the computer Start working