It's a onda clone, mp4 player without CAM and 8GB of memory!!
Before erasing it was original firmware 080922.
Chips inside of the player:
Samsung 852
k9hcg08u1m
PCB0
Rockchip
RK2608A
BA6485 0848
Sec Korea 943
km416s1120dt-g8
t7h087r2
Detected as "rockusb device" USB\VID_071B&PID_3202\5&33C71080&0&2