... as a USB stick,but compared to a regular small Android TV box,the size is only 25%. You can attach it to ... regular USB port, you can connect your USB mouse or keyboard here, you can also connect a 2.4GHz wireless mouse ... expandUSB interface, support mobile HDD, support wireless mouse and wireless keyboard operatingAudio Format: AAC, AAC+, eAAC+, AMR-NB, AMR-WB, QCP ...