Techshowe 3 in 1 Micro USB OTG Host Adapter SD MMC TF Card Reader Hub Adapter for Samsung Galaxy S4 S2 S3 Note 2 Tablet Black 3 in 1 Card reader & Hub for mobile phone with OTG function Support SD/MMC/TF card, Camera connection kit function, Support phone to read photos and videos from cameras directly Transfer files to OTG mobile phone, allow to connect to most USB Flash Drive, Mouse, Keyboard and some digital cameras etc Easy to use,driver installation free, Support Android 2.2 or above OTG function Specially Note: ONLY Compatible with Samsung Galaxy S4 S3 S2 , Galaxy Note 3 Note 2, HTC, Motorola, LG and other Android cellphones with OTG function