A good orienteering compass must have:

i. A knob that allows the user to change the orientation of the compass needle.
ii. Clear base plate that enables the user to read cardinal directions
iii. Lightweight magnetized needle that is accurate and that is used for measuring degrees
iv. All-round sighting mirror
v. Capsule filled with liquid
vi. Setting circles

Answer

All of the above.

A good orienteering compass must have these features:

A knob that allows the user to change the orientation of the compass needle.
Clear base plate that allows you to see the map underneath.
Straight sides for aligning two points or for drawing lines.
Liquid-filled needle housing that keeps the magnetic needle relatively steady when taking readings.