Mediocre
This device is OK but it's no better than a teapot. Biggest pros are you can use loose tea or tea bag, and you can set the strength of your brew. Also, you can come back later for a top up. HOWEVER, my biggest gripe is that it does not use boiling water so the tea does not brew as well as when steeped in boiling water, and the end product is not hot enough to really enjoy - at least for me.
KiwiB
Palmerston North, New Zealand