... cable, this USB cable is included, but you need to purchase a compatible USB adapter (5V,2A),we can also give ... can also connect a 2.4GHz wireless mouse and keyboard dongle here,please be noted that mouse and keyboard are not included.-It ... transfer / OTG and host expandUSB interface, support mobile HDD, support wireless mouse and wireless keyboard operatingAudio Format: AAC, AAC+, eAAC+, AMR-NB, AMR ...