Connector: Micro USB USB Type: A Female Memory Card Reader: SD/SDHC, Micro SD (TF) OS Requirement: Android 3.0+ Dimension: 54mm x 12mm x 25mm (2.13" x 0.47" x 0.98") Generic, non-branded, no retail packaging Compatible With (Not Limited to): Samsung Micro USB OTG Devices Samsung: Galaxy, Mega 6.3", Note, Note 2, S2, S3, S4 Package includes: 1 x Card reader