.) Perfect design (blue CD-lighting works just great)
.) USB slot for flash drive or MP3 player works really well and is simply practical
The only downside: The sound of the bass, especially in loud operation! It bounces a little. For the relatively small investment yet but otherwise a nice, full sound.
Be careful when AUX input: no RCA input (red-white) but a normal jack input (mini-jack). Should not be a problem, has just wondered.
All in all a good investment with little quirks in the sound, but as a second unit thoroughly recommended! Power 4 of 5 Stars!