Question about Huawei MediaPad M2

Your tablet can act as a USB host. You can connect it to a USB mass storage device, mouse or keyboard via a USB OTG (On The Go) cable. However, it cannot be connected to a printer.
From Huawei Support FAQ's

With an OTG cable, almost anything can be connected.

Value USB 2.0 Cable (A - Micro, 0.15m, OTG)