Its RCA, a former world leader selling low end everything. Tablet and keyboard, work ok. Tracking was sensitive, adjusted but i use a mouse often. . Buy a 32 or 64 gb micro sd card, format for portable use on the tablet. after that step, I put the micro sd in an SD adapter, into my old lenovo pc, sent music, etc to micro, bingo works on tablet if good proper formatting. Put your stuff on google drive, then move it wherever. I'm an old fart self taught, that sees these things and finds a way, and my son is a cyber geek for real, white hat and a genius. Blew by me.