Q: Can I use a set top box?
A: Yes
Q: How i can connect it with my mobile ?
A: Go to mobile and click the cast option or you can use Google home application.
Q: Can we connect the pen drive?
A: Yes
Q: Screen mirroring or chrome cast system on the TV ?
A: Yes
Q: Is it direct led ?
A: Yes
Q: It’s connected to USB 2.0 ?
A: Yes