User can view trail cam images on Android(TM) smartphone or tablet with USB-OTG functionality; Micro USB; Compatible with SD(TM) Card, SDHC(TM) Card, SDXC(TM) Card, MultiMedia Card, MultiMedia Card 4.0, micro SD(TM) Card, micro SDHC(TM) Card & micro SDXC(TM) Card; Supports only USB OTG (On The Go) devices; CE/FCC/RoHS standards;