My old Capsule Speaker had previously done loyal service to me. But it no longer met all my desires, what do I connect with a mobile speaker. So I was looking for a new speaker. Decisive here was of course the price. The course should not be oversized. Through a random article in a popular magazine, which introduced technology innovations, I became aware of the "Jam". Are concise and of course the gaudy colors of the devices. Interestingly, I found the component "wireless". Well, so far I did not have a speaker system with Bluetooth, or the like. In this regard, I was and my Galaxy S3, of course, very open-minded and experimental. Reviews to the unit have been very rare, I hope there will be more. Today I think my first "Jam" in the hands and was quite impressed by the first processing quality and a certain "style factor", I think the Lautpsprecher at each beach a looker, a gaudy color of course. The connection with my S3 was simple, even without a manual. Easy Bluetooth on mobile phone on, it should be recognized in a short time the Jam and you can connect the devices. Well I first tried out all sorts of songs. That is of Rammstein to Max Raabe was much here to get a first impression of the device. I have to say I was really more than surprised at what this little Kraftzwerg thus making and what kind of sound he brings across. My old Capsule Speaker does indeed itself a pretty good figure but the Jam surpasses it by far. Clear powerful sound and you can really crank up very loud without which one has the feeling that the Jam overridden. In particular the force of Sound`s has me very excited and enticed already to hear very loud because it is fun. I must say that I am a normal user and not a "high-end enjoyment listener". The Jam is for many people just more than sufficient. I want him at least not easily give up. The duration can not yet assess unfortunately. 4h are indicated with Bluetooth and 12h via jack cable. I'm curious. So I hope I could help some undecided something with my review.