Features - It's a multi tool set and has everything you'd expect, extension pole gives a bit more flexibility.
Build Quality - Feels solid enough, metal spring clips on the shafts rather than plastic is welcome. Solid handle.
Ease of Use - My main issue, this thing is HEAVY. I'm a long time user of many brands and types and this is far and away the heaviest power unit I've ever used, to the point where it seriously throws off my working balance and tires me excessively, with or without the comparatively flimsy shoulder strap.
Assembly - Reasonably straight forward and intuitive out of the box, all tools provided.
Performance - It feels slightly under powered and has struggled slightly with the grass and hedges so far, especially relative to the amount of noise and heat it puts out. In fairness the engine might settle a bit with more use.