Very lightweight headphones, including the holding of the ears is rather precarious, but enough to watch TV or listen to music in his room. Phase shift between voice and lip movement when watching a movie. The sound quality is good. The batteries seem to discharge fast enough, the autonomy of 7:00 is very optimistic, just as advertised 10 meters between the transmitter and the receiver, while the outages occur from 6 to 7 meters. The Bluetooth adapter jack is convenient, it can connect to the equipment with a headphone output.