The size of a credit card but contains a strong performance, the main board uses RK3328 quad-core A53x4 64-bit processor, built-in powerful GPU, running Android and Linux systems smoothly.
Watch the video to know more
[ytube]https://www.youtube.com/embed/Hz80mgCmU88[/ytube]
Access Firefly shop to buy ROC-RK3328-CC
