... : Standard 3.6mm 2.Embedded Linux OS 3.Support 32G TF Card,SD Card 4.Built in Microphon Mode:ZS-M52SHWIACatalogue ... 6.0 or higher version,firefox,chrome,safriLocal MemorySupport 32G TF CardsSuper Client1,4,9,16,25,36, 64,81-channel ... by SD Card Remote browsing, download of content from 32G tf card NetworkSocketRJ-45 10/100Mb self-adaptable Ethernet slotProtocolTCP/IP ...