At level sound is clean for 2x6W, it can be a lack of depth chouilla and low in any case it is very satisfying in this price range.
NFC allows to link your phone more way through your smartphone on top of the enclosure (android it is active in settings Wireless & Network section). Honestly NFC is not essential, you get just a little manipulation. If you are unsure whether your smartphone gètre NFC, you can download a web store, a simple application, such as: "do i have nfc"
On the back you have a button on / off, the USB power jack, an input and an output jack 2 "5. It recharges via a micro-USB socket, a red LED indicates the load current. Note that there is a real doc paper in French, and a velvet bag for storage.
For i-Contraption, you can activate the function via SIRI pregnant, again you have the battery status of the speaker on the screen ... well according to the doc, because I am Android .
Finally, a speaker with good sound, with very accessible and it is also commands the big difference with other smaller models with a similar sound, but whose access to control buttons is not more convenient.
