Easy to implement, works perfectly with my Galaxy SIII 4G. Highlights: the quality of speech recognition to the statement of any recipient of the telephone directory. If there is some ambiguity in the interpretation of a first name, it is enough to pronounce the full name to remove the doubt and reach the right person, which is not actually demanding. Automatic wake to the sound of the magic word, speech recognition commands allow not having to handle the phone while driving. When programming, it is imperative to validate not only word recognition for incoming calls, but also for outgoing calls. The sound quality is very good. No need to shout to be (more or less) understand by his interlocutor. The black spot that seem to have met a lot of users: the battery. After the second load (always light on after 10 hours of charge), the battery charges 70% load. Is actually a battery problem or a charging management software problem? To meditate ...