PRODUCT FEATURES: 1. Interface: Micro USB and USB 2.0 connectors. 1x SD/MMC slot, 1x Micro SD/TF slot 2. Support SD, SDHC, SDXC up to 64GB. 3. Support memory card with FAT 32 file system. Not compatible with NTFS & exFAT formats. 4 .compatible with Micro USB android mobile device with OTG function. COMPATIBLE DEVICE(list is not comprehensive): compatible with Samsung Galaxy S6/S6E(+) compatible with Samsung Galaxy S5 only compatible with Samsung Galaxy S4 only Not For compatible with Samsung Galaxy S3/S5 mini/S4 mini compatible with Samsung Galaxy Note 5,4,3,2 compatible with Samsung Galaxy Note Edge compatible with Samsung Galaxy Note Pro compatible with Samsung Galaxy Note 10.1 from 2014 onwards compatible with Samsung Galaxy Note 8.0 from 2014 onwards compatible with Samsung Galaxy Tab pro compatible with Samsung Galaxy Tab S/S2 compatible with Samsung Galaxy Tab 3 10.1, 8.0 (NOT FOR 7.0) compatible with Samsung Galaxy Tab 4 10.1 (NOT FOR 7.0) *Google Nexus 5/6/7/9/10 with help of third-party app such as 'nexus USB OTG file manager, ES file explorer, Nexus media importer'. Not For Nexus 7 2013 edition!* Not For HTC one M9/M8 compatible with LG G4/3/2/1, G Pro 1/ Not For Moto G Not For Hudl 1/2 * This kit does not support amazon Kindle & Fire tablets* Host/OTG compatible smartphones and tablets with Android operating system as of Android 4.0 and a micro USB interface NOTE: Never use both connections simultaneously! Package included: 1*card reader