For many, few cons

Very good speakers (lack subwoofer anyway! Do not dream)
I bought a first time to travel with my laptop, too cumbersome error .... not recommended (or for weightlifters with trunk cabin). Cambodia abandoned and replaced by 8 cartons of cigarettes at 2 euros to say clutter.
Reracheté recently for use with MP4 outdoors.
The quality of these speakers is excellent, amazing for the price.
By cons I do not recommend it on a stationary PC they lack power and a subwoofer I bought for my turn at Amazon Logitech X230 we are in a different sound much richer and more powerful for a price of 20 euros extra Too many differences in quality.
In summary: very good
+ Its exceptional quality for the price
+ Perfect for a portable easy to move no subwoofer
+ Amplifies the sound of a music player and a laptop on top nothing usb port equivalent
+ Aesthetic +++
- Requires a power outlet nearby for music players and laptops
- Bulky to travel outside
- Inadequate for a tower really lacks a subwoofer but hey it's my point of view, see your gold coins.
_MJ_