Features:

Support Android 2.0 or above OTG function (Support almost all the Micro USB port smart phone)
Support for SD/MMC/TF card
Transfer files to OTG mobile phone
Support external USB mouse， keyboard
Requests FAT32 format only， don’t support NTFS format.
Color: Black
Dimension: Approx. 5.4cm x 2.5cm x 1.2cm
Cable length: Approx. 12.7cm/5"

Package Included:

1 x SD/MMC/TF Card Reader