... audio,video,voice record 3,2GB,4GB memory 4,TF card socket Rockchip ebook reader, the model is the newest ebook, ... TFT color dispay,built in 2GB -4GB memory,with TF card socket (up to 16GB) . The ebook is hot selling ebook ... processorRK2729Memory RAM256MBInternal memory/ROM2GB (1-4GB optional)External memoryTF Card Supported (Up to 16G)USB flash drivernoWifinoBluetoothnoCameranoVideo formatMPG,RMVB, ...